diff --git a/README.md b/README.md
index 887a0a6..8751bf6 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,14 @@ JavaScript Object Query Language Representation - Funny it's mostly JSON.
 
 JOQULAR is a query language specification. Although there is a reference implementation with this site others are free to write their own drivers.
 
+Like SQL, JOQULAR allows you to mutate the returned records to meet you needs; however, if you do not perform any mutations you will get the matched object back rather than a copy.
+
+Mutation options include property aliasing and redaction, value substitution (including array summaries, sorting, filtering, etc.), adding event handlers, freezing objects and properties.
+
+Matching options include functional testing of both property names and values as well as over 30 built-in predicates.
+
+You can also use JOQULAR to validate objects.
+
 # Installation Of Reference Implementation
 
 npm install joqular
@@ -16,8 +24,8 @@ const <matched> = await JOQULAR.match(<pattern>,<object>);
 
 ```
 const pattern = {name:{$eq:"joe"}},
-	matched1 = await JOQULAR.match(pattern,{name:"joe",age:27}), // will resolve to the object with name "joe"
-	matched2 = await JOQULAR.match(pattern,{name:"jane",age:27}); // will resolve to undefined
+	[matched1] = await JOQULAR.match(pattern,{name:"joe",age:27}), // will resolve to the object with name "joe"
+	[matched2] = await JOQULAR.match(pattern,{name:"jane",age:27}); // will resolve to undefined
 ```
 
 For now see the [Medium article](https://medium.com/@anywhichway/joqular-high-powered-javascript-pattern-matching-273a0d77eab5) for more information.
@@ -150,6 +158,8 @@ $nin
 
 $not 
 
+$on
+
 $or 
 
 $outside 
@@ -217,6 +227,8 @@ $year
 
 ## Updates
 
+2019-02-10 v2.0.1b - `.match` now returns an array and can take multiple objects to match against. Added event handlers via $on. Now returns source object if no-mutations have occured.
+
 2019-02-10 v2.0.0b - Initial public reference implementation subsequent to deprecation of JOQULAR as an in memory datastore.
 
 
diff --git a/index.js b/index.js
index cb496ac..7753b86 100644
--- a/index.js
+++ b/index.js
@@ -46,6 +46,7 @@
 		},
 		FUNCTIONS = {},
 		JOQULAR = {},
+		UNDEFINED = ()=>undefined,
 		addFunction = (f,name=f.name) => {
 			if(!name || name==="anonymous") {
 				throw new Error("JOQULAR.function: A function name must be provided");
@@ -76,6 +77,54 @@
 			}
 			return data;
 		},
+		deepEqual = (a,b) => {
+			const atype = typeof(a),
+				btype = typeof(b);
+			if(atype!==btype) return false;
+			if((a && !b) || (!a && b)) return false;
+			if(a && a.length!==b.length) return false;
+			if(atype==="number" && isNaN(a) && isNaN(b)) return true;
+			if(a && atype==="object") {
+				if(a instanceof Date || b instanceof Date) {
+					if(!(a instanceof Date)) return false;
+					if(!(b instanceof Date)) return false;
+					if(a.getTime()!==b.getTime()) return false;
+					return true;
+				}
+				if(!Array.isArray(a) && Symbol.iterator in a) {
+					if(Array.isArray(b) || !(Symbol.iterator in b)) {
+						return false;
+					}
+					const aentries = [],
+						bentries = [];
+					a.forEach(item = aentries.push(item));
+					b.forEach(item = bentries.push(item));
+					return deepEqual(aentries,bentries);
+				}
+				const checked = {},
+					akeys = Object.keys(a),
+					bkeys = Object.keys(b);
+				if(akeys.length!==bkeys.length) {
+					return false;
+				}
+				if(!akeys.every((key) => {
+					checked[key] = true;
+					return deepEqual(a[key],b[key]);
+				})) {
+					return false;
+				}
+				if(!bkeys.every((key) => {
+					if(checked[key]) {
+						return true;
+					}
+					return deepEqual(a[key],b[key]);
+				})) {
+					return false;
+				}
+				return true;
+			}
+			return a===b;
+		},
 		deleteFunction = (name) => {
 			if(!name || name==="anonymous") {
 				throw new Error("JOQULAR.function: A function name must be provided");
@@ -105,11 +154,22 @@
 			}
 			return false;
 		},
-		match = async (pattern,value,extracted={}) => {
-			const copy = deepCopy(value);
-			return matchaux(pattern,copy,extracted)
+		extract = async (pattern,value) => {
+			const extracted = {};
+			if(matchaux(pattern,value,extracted)) {
+				return extracted;
+			}
 		},
-		matchaux = async (pattern,value,extracted={},objectKey,object) => {
+		match = async (pattern,...values) => {
+			const results = [];
+			for(const value of values) {
+				const copy = deepCopy(value),
+					matched = await matchaux(pattern,copy,{});
+				results.push(deepEqual(matched,value) ? value : matched);
+			}
+			return results;
+		},
+		matchaux = async (pattern,value,extracted,objectKey,object) => {
 			if(pattern===null || pattern===value) return value;
 			const ptype=typeof(pattern),
 				vtype = typeof(value);
@@ -173,6 +233,7 @@
 						}
 					}
 				}
+				if(value && value._proxy) return value._proxy;
 				return value;
 			}
 		},
@@ -205,7 +266,7 @@
 				this[as] = value;
 				return true;
 			},
-			$avg(iterable,as) {
+			$avg(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let sum = 0,
 						count = 0;
@@ -218,11 +279,11 @@
 							count++;
 						}
 					}
-					this[as] = sum/count;
+					this[as||key] = sum/count;
 					return true;
 				}
 			},
-			$avga(iterable,as) {
+			$avga(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let sum = 0,
 						count = 0;
@@ -242,7 +303,7 @@
 							count++;
 						}
 					}
-					this[as] = sum/count;
+					this[as||key] = sum/count;
 					return true;
 				}
 			},
@@ -259,30 +320,30 @@
 				this[key] = typeof(f)==="function" ? f(value,key,this) : f;
 				return true;
 			},
-			$count(iterable,as) {
+			$count(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let count = 0;
 					for(let value of iterable) {
 						if(value!==undefined) count++;
 					}
-					this[as] = count;
+					this[as||key] = count;
 					return true;
 				}
 			},
-			$counta(iterable,as) {
+			$counta(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					if(iterable.length!==undefined) {
-						this[as] = iterable.length
+						this[as||key] = iterable.length
 					} else if(typeof(iterable.count)==="function") {
-						this[as] = iterable.count();
+						this[as||key] = iterable.count();
 					} else if(typeof(iterable.size)==="function") {
-						this[as] = iterable.size();
+						this[as||key] = iterable.size();
 					} else {
 						let count = 0;
 						for(let value of iterable) {
 							count++;
 						}
-						this[as] = iterable.size();
+						this[as||key] = iterable.size();
 					}
 					return true;
 				}
@@ -360,22 +421,15 @@
 			$false() {
 				return false;
 			},
-			$filter(filterable,f,key) {
-				let as, result;
-				if(Array.isArray(f)) {
-					as = f[1];
-					f = f[0];
-				}
+			$filter(filterable,spec,key) {
+				let [f,as] = Array.isArray(spec) ? spec : [spec],
+						result;
 				if(filterable && typeof(filterable.filter)==="function") {
 					result = filterable.filter((item) => f(item));
 				} else {
 					result = [];
 				}
-				if(as) {
-					this[as] = result;
-				} else {
-					this[key] = result;
-				}
+				this[as||key] = result;
 				return true;
 			},
 			async $forDescendant(target,{pattern,$,depth=Infinity},key) {
@@ -478,13 +532,9 @@
 			$lte(a,b) { 
 				return a <= b; 
 			},
-			async $map(iterable,f,key) {
+			async $map(iterable,spec,key) {
 				const results = [];
-				let as;
-				if(Array.isArray(f)) {
-					as = f[1];
-					f = f[0];
-				}
+				let [f,as] = Array.isArray(spec) ? spec : [spec];
 				if(Symbol.iterator in Object(iterable)) {
 					let key = 0;
 					for(let value of iterable) {
@@ -496,14 +546,10 @@
 						key++;
 					}
 				}
-				if(as) {
-					this[as] = results;
-				} else {
-					this[key] = results;
-				}
+				this[as||key] = results;
 				return true;
 			},
-			$matches(value,regexp) {
+			$matches(value,regexp,key) {
 				if(value) {
 					const match = value.matches||value.match;
 					if(typeof(match)==="function") {
@@ -518,15 +564,13 @@
 						}
 						const matches = match(regexp);
 						if(matches) {
-							if(as) {
-								this[as] = matches;
-							}
+							this[as||key] = matches;
 							return true;
 						}
 					}
 				}
 			},
-			$max(iterable,as) {
+			$max(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let max;
 					for(let value of iterable) {
@@ -535,11 +579,11 @@
 						}
 						max = max===undefined || value > max ? value : max;
 					}
-					this[as] = max;
+					this[as||key] = max;
 					return true;
 				}
 			},
-			$maxa(iterable,as) {
+			$maxa(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let max = -Infinity;
 					for(let value of iterable) {
@@ -557,11 +601,11 @@
 							max = value > max ? value : max;
 						}
 					}
-					this[as] = max;
+					this[as||key] = max;
 					return true;
 				}
 			},
-			$min(iterable,as) {
+			$min(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let min;
 					for(let value of iterable) {
@@ -570,11 +614,11 @@
 						}
 						min = min===undefined || value < min ? value : min;
 					}
-					this[as] = min;
+					this[as||key] = min;
 					return true;
 				}
 			},
-			$mina(iterable,as) {
+			$mina(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let min = Infinity;
 					for(let value of iterable) {
@@ -592,7 +636,7 @@
 							min = value < min ? value : min;
 						}
 					}
-					this[as] = min;
+					this[as||key] = min;
 					return true;
 				}
 			},
@@ -620,6 +664,96 @@
 				}
 				return true;
 			},
+			$on(value,handlers={},key) {
+				const onerror = handlers.onError;
+				let currenthandlers = {};
+				if(this._proxy) {
+					currenthandlers = this._proxy.handlers;
+				}
+				let handler = currenthandlers[key];
+				if(!handler) {
+					handler = currenthandlers[key] = {get:[],set:[],delete:[]};
+				}
+				Object.keys(handler).forEach(key => {
+					const f = handlers[key];
+					if(f) {
+						if(!handler[key].includes(f)) {
+							handler[key].push(f);
+							if(onerror) {
+								Object.defineProperty(f,"onError",{value:onerror});
+							}
+						}
+					}
+				});
+				if(value===undefined) {
+					this[key] = UNDEFINED;
+				}
+				const proxy = new Proxy(this,{
+					get(target,property) {
+						let value = property==="handlers" ? currenthandlers : target[property];
+						if(value===UNDEFINED) {
+							value = undefined;
+						}
+						if(currenthandlers[property]) {
+							currenthandlers[property].get.forEach((f) => {
+								try {
+									f(proxy,key,value);
+								} catch(e) {
+									if(f.onError) {
+										f.onError(e);
+									} else {
+										throw(e);
+									}
+								}
+							});
+						}
+						return value;
+					},
+					set(target,property,value) {
+						const oldvalue = target[property]===UNDEFINED ? undefined : target[property];
+						let error;
+						if(currenthandlers[property]) {
+							currenthandlers[property].set.forEach((f) => {
+								try {
+									f(proxy,key,value,oldvalue);
+								} catch(e) {
+									error = e;
+									if(f.onError) {
+										error = f.onError(e);
+									} else {
+										throw(e);
+									}
+								}
+							});
+						}
+						if(error) {
+							throw error;
+						}
+						target[property] = value;
+						return true;
+					},
+					deleteProperty(target,property) {
+						const value = target[property]===UNDEFINED ? undefined : target[property];
+						if(currenthandlers[property]) {
+							currenthandlers[property].delete.forEach((f) => {
+								try {
+									f(proxy,key,value);
+								} catch(e) {
+									error = e;
+									if(f.onError) {
+										error = f.onError(e);
+									} else {
+										throw(e);
+									}
+								}
+							});
+						}
+						delete target[property];
+					}
+				});
+				Object.defineProperty(this,"_proxy",{configurable:true,value:proxy});
+				return true;
+			},
 			async $or(a,tests,key) {
 				const resolve = (a,pname,value) => FUNCTIONS[pname] ? FUNCTIONS[pname].call(this,a,value,key) : false;
 				if(Array.isArray(tests)) {
@@ -658,14 +792,8 @@
 				delete this[key];
 				return true;
 			},
-			async $reduce(iterable,f,key) {
-				let accum,
-					as;
-				if(Array.isArray(f)) {
-					as = f[2];
-					accum = f[1];
-					f = f[0];
-				}
+			async $reduce(iterable,spec,key) {
+				let [f,accum,as] = Array.isArray(spec) ? spec : [spec];
 				if(Symbol.iterator in Object(iterable)) {
 					let key = 0;
 					for(let value of iterable) {
@@ -677,11 +805,7 @@
 						key++;
 					}
 				}
-				if(as) {
-					this[as] = accum;
-				} else {
-					this[key] = accum;
-				}
+				this[as||key] = accum;
 				return true;
 			},
 			$return(_,value,key) {
@@ -692,7 +816,8 @@
 				}
 				return true;
 			},
-			$sample(iterable,[pct,max=Infinity],key) {
+			$sample(iterable,spec,key) {
+				let [pct,max=Infinity,as] = Array.isArray(spec) ? spec : [spec];
 				const sample = [],
 					indexes = [];
 				let i = 0;
@@ -710,7 +835,7 @@
 						}
 					}
 				}
-				this[key] = sample;
+				this[as||key] = sample;
 				return true;
 			},
 			async $search(text,phrase) {
@@ -748,25 +873,18 @@
 				}
 				return false;
 			},
-			$sort(sortable,f,key) {
-				let as, result;
-				if(Array.isArray(f)) {
-					as = f[1];
-					f = f[0];
-				}
+			$sort(sortable,spec,key) {
+				let [f,as] = Array.isArray(spec) ? spec : [spec],
+					result;
 				if(sortable && typeof(sortable.sort)==="function") {
 					result = sortable.sort((a,b) => f(a,b));
 				} else {
 					result = [];
 				}
-				if(as) {
-					this[as] = result
-				} else {
-					this[key] = result;
-				}
+				this[as||key] = result
 				return true;
 			},
-			$sum(iterable,as) {
+			$sum(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let sum = 0;
 					for(let value of iterable) {
@@ -777,11 +895,11 @@
 							sum =+ value;
 						}
 					}
-					this[as] = sum;
+					this[as||key] = sum;
 					return true;
 				}
 			},
-			$suma(iterable,as) {
+			$suma(iterable,as,key) {
 				if(Symbol.iterator in Object(iterable)) {
 					let sum = 0;
 					for(let value of iterable) {
@@ -799,7 +917,7 @@
 							sum =+ value;
 						}
 					}
-					this[as] = sum;
+					this[as||key] = sum;
 					return true;
 				}
 			},
diff --git a/package.json b/package.json
index 650884c..b09da48 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "joqular",
-  "version": "2.0.0b",
-  "description": "(JOQULAR - JavaScript Object Query Language Representation) For JSON data matching, transformation, and extraction",
+  "version": "2.0.1b",
+  "description": "JOQULAR (JavaScript Object Query Language Representation) for JSON data matching, transformation, validation and extraction",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
diff --git a/test/index.js b/test/index.js
index fc427a3..e0a6677 100644
--- a/test/index.js
+++ b/test/index.js
@@ -48,325 +48,362 @@ notnow.setUTCFullYear(yr+1);
 describe("Test",function() {
 	it("double property",function() {
 		return JOQULAR.match({name:"joe",age:27},testobject)
-			.then(object => testvalidator(object))
+			.then(([object]) => testvalidator(object))
 	});
 	it("inline property",function() {
 		return JOQULAR.match({[key => key==="age"]:{$lt:28}},testobject)
-			.then(object => testvalidator(object))
+			.then(([object]) => testvalidator(object))
 	});
 	it("inline value true",function() {
 		return JOQULAR.match({age:value => value < 28},testobject)
-			.then(object => testvalidator(object))
+			.then(([object]) => testvalidator(object))
 	});
 	it("inline value false",function() {
 		return JOQULAR.match({age:value => value < 27},testobject)
-			.then(object => testvalidator(object)).catch(() => true);
+			.then(([object]) => testvalidator(object)).catch(() => true);
 	});
 	it("functional key",function() {
 		return JOQULAR.match({[key => key==="name"]:{$typeof:"string"}},testobject)
-			.then(object => testvalidator(object))
+			.then(([object]) => testvalidator(object))
 	});
 	it("RegExp key",function() {
 		return JOQULAR.match({[/.*name/]:{$eq: "joe"}},{name:"joe",age:27,race:"caucasian"})
-			.then(object => testvalidator(object))
+			.then(([object]) => testvalidator(object))
 	});
 	xit("$",function() {
-		return JOQULAR.match({name:{$:value=>value==="joe"}},testobject).then(object => { testvalidator(object); })
+		return JOQULAR.match({name:{$:value=>value==="joe"}},testobject).then(([object]) => { testvalidator(object); })
 	});
 	it("$lt",function() {
-		return JOQULAR.match({age:{$lt:28}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$lt:28}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$lt fail",function(done) {
-		JOQULAR.match({age:{$lt:27}},testobject).then(object => testvalidator(object)).catch(()=>done())
+		JOQULAR.match({age:{$lt:27}},testobject).then(([object]) => testvalidator(object)).catch(()=>done())
 	});
 	it("$lte",function() {
-		return JOQULAR.match({age:{$lte:27}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$lte:27}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$lte fail",function(done) {
-		JOQULAR.match({age:{$lte:26}},testobject).then(object => testvalidator(object)).catch(()=>done())
+		JOQULAR.match({age:{$lte:26}},testobject).then(([object]) => testvalidator(object)).catch(()=>done())
 	});
 	it("$eq",function() {
-		return JOQULAR.match({age:{$eq:27}},testobject).then(object => testvalidator(object))	
+		return JOQULAR.match({age:{$eq:27}},testobject).then(([object]) => testvalidator(object))	
 	});
 	it("$eq fail",function(done) {
-		JOQULAR.match({age:{$eq:26}},testobject).then(object => testvalidator(object)).catch(()=>done())
+		JOQULAR.match({age:{$eq:26}},testobject).then(([object]) => testvalidator(object)).catch(()=>done())
 	});
 	it("$eq string",function() {
-		return JOQULAR.match({age:{$eq:"27"}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$eq:"27"}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$eq string fail",function(done) {
-		JOQULAR.match({age:{$eq:"26"}},testobject).then(object => testvalidator(object)).catch(()=>done())
+		JOQULAR.match({age:{$eq:"26"}},testobject).then(([object]) => testvalidator(object)).catch(()=>done())
 	});
 	it("$eeq",function() {
-		return JOQULAR.match({age:{$eeq:27}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$eeq:27}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$eeq fail",function(done) {
-		JOQULAR.match({age:{$eeq:28}},testobject).then(object => testvalidator(object)).catch(()=>done())
+		JOQULAR.match({age:{$eeq:28}},testobject).then(([object]) => testvalidator(object)).catch(()=>done())
 	});
 	it("$neq string",function() {
-		return JOQULAR.match({age:{$neq:"5"}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$neq:"5"}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$neq string fail",function(done) {
-		JOQULAR.match({age:{$neq:"27"}},testobject).then(object => testvalidator(object)).catch(()=>done())
+		JOQULAR.match({age:{$neq:"27"}},testobject).then(([object]) => testvalidator(object)).catch(()=>done())
 	});
 	it("$neeq",function() {
-		return JOQULAR.match({age:{$neeq:5}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$neeq:5}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$neeq fail",function(done) {
-		JOQULAR.match({age:{$neeq:27}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({age:{$neeq:27}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$between",function() {
-		return JOQULAR.match({age:{$between:[26,28]}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$between:[26,28]}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$between fail",function(done) {
-			JOQULAR.match({age:{$between:[30,31]}},testobject).then(object => testvalidator(object)).catch(() =>done())
+			JOQULAR.match({age:{$between:[30,31]}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$between inclusive",function() {
-		return JOQULAR.match({age:{$between:[27,28,true]}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$between:[27,28,true]}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$between inclusive fail",function(done) {
-		JOQULAR.match({age:{$between:[30,318,true]}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({age:{$between:[30,318,true]}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$outside higher",function() {
-		return JOQULAR.match({age:{$outside:[25,26]}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$outside:[25,26]}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$outside higher fail",function(done) {
-		JOQULAR.match({age:{$outside:[25,28]}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({age:{$outside:[25,28]}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$outside lower",function() {
-		return JOQULAR.match({age:{$outside:[28,29]}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$outside:[28,29]}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$outside lower fail",function(done) {
-		JOQULAR.match({age:{$outside:[26,29]}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({age:{$outside:[26,29]}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$gte",function() {
-		return JOQULAR.match({age:{$gte:27}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$gte:27}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$gte fail",function(done) {
-		JOQULAR.match({age:{$gte:28}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({age:{$gte:28}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$gt",function() {
-		return JOQULAR.match({age:{$gt:26}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$gt:26}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$gt fail",function(done) {
-			JOQULAR.match({age:{$gt:28}},testobject).then(object => testvalidator(object)).catch(() =>done())
+			JOQULAR.match({age:{$gt:28}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$instanceof by string",function() {
-		return JOQULAR.match({favoriteNumbers:{$instanceof:"Array"}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({favoriteNumbers:{$instanceof:"Array"}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$instanceof by string fail",function(done) {
-		JOQULAR.match({favoriteNumbers:{$instanceof:"Function"}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({favoriteNumbers:{$instanceof:"Function"}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$instanceof by constructor",function() {
-		return JOQULAR.match({favoriteNumbers:{$instanceof:Array}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({favoriteNumbers:{$instanceof:Array}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$instanceof by constructor fail",function(done) {
-		JOQULAR.match({favoriteNumbers:{$instanceof:Function}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({favoriteNumbers:{$instanceof:Function}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$isArray",function() {
-		return JOQULAR.match({favoriteNumbers:{$isArray:null}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({favoriteNumbers:{$isArray:null}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$isArray fail",function(done) {
-		JOQULAR.match({age:{$isArray:null}},testobject).then(object => testvalidator(object)).catch(() =>done())
+		JOQULAR.match({age:{$isArray:null}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$isEmail",function() {
-		return JOQULAR.match({email:{$isEmail:null}},testobject).then(object => testvalidator(object))	
+		return JOQULAR.match({email:{$isEmail:null}},testobject).then(([object]) => testvalidator(object))	
 	});
 	it("$isEmail fail",function(done) {
-			JOQULAR.match({name:{$isEmail:null}},testobject).then(object => testvalidator(object)).catch(() =>done())
+			JOQULAR.match({name:{$isEmail:null}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$isEven",function() {
-		return JOQULAR.match({size:{$isEven:null}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({size:{$isEven:null}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$isEven fail",function(done) {
-			JOQULAR.match({age:{$isEven:null}},testobject).then(object => testvalidator(object)).catch(() =>done())
+			JOQULAR.match({age:{$isEven:null}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())
 	});
 	it("$isIPAddress",function() {
-		return JOQULAR.match({ip:{$isIPAddress:null}},testobject).then(object => testvalidator(object))	
+		return JOQULAR.match({ip:{$isIPAddress:null}},testobject).then(([object]) => testvalidator(object))	
 	});
 	it("$isIPAddress fail",function(done) {
-		JOQULAR.match({age:{$isIPAddress:null}},testobject).then(object => testvalidator(object)).catch(() =>done())	
+		JOQULAR.match({age:{$isIPAddress:null}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())	
 	});
 	it("$isOdd",function() {
-		return JOQULAR.match({age:{$isOdd:null}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({age:{$isOdd:null}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$isOdd fail",function(done) {
-		JOQULAR.match({size:{$isOdd:null}},testobject).then(object => testvalidator(object)).catch(() =>done())	
+		JOQULAR.match({size:{$isOdd:null}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())	
 	});
 	it("$isSSN",function() {
-		return JOQULAR.match({ssn:{$isSSN:null}},testobject).then(object => testvalidator(object))
+		return JOQULAR.match({ssn:{$isSSN:null}},testobject).then(([object]) => testvalidator(object))
 	});
 	it("$isSSN fail",function(done) {
-		JOQULAR.match({name:{$isSSN:null}},testobject).then(object => testvalidator(object)).catch(() =>done())	
+		JOQULAR.match({name:{$isSSN:null}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())	
 	});
 	for(const key of ["date","day","fullYear","hours","milliseconds","minutes","month","seconds","time","UTCDate","UTCDay","UTCFullYear","UTCHours","UTCSeconds","UTCMilliseconds","UTCMinutes","UTCMonth","year"]) {
 		it(`\$${key}`,function() {
-			return JOQULAR.match({now:{["$"+key]:now}},testobject).then(object => testvalidator(object))
+			return JOQULAR.match({now:{["$"+key]:now}},testobject).then(([object]) => testvalidator(object))
 		});
 		if(key.startsWith("UTC")) {
 			it(`\$${key} fail`,function(done) {
-				JOQULAR.match({now:{["$"+key]:notnow}},testobject).then(object => testvalidator(object)).catch(() =>done())	
+				JOQULAR.match({now:{["$"+key]:notnow}},testobject).then(([object]) => testvalidator(object)).catch(() =>done())	
 			});
 		}
 	}
 	it("$min",function() {
 		return JOQULAR.match({favoriteNumbers:{$min:"minFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.minFavorite).equal(1); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.minFavorite).equal(1); })
 	});
 	it("$min fail",function(done) {
 		JOQULAR.match({favoriteNumbers:{$min:"minFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.minFavorite).equal(2); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.minFavorite).equal(2); }).catch(() =>done())
 	});
 	it("$avg",function() {
 		return JOQULAR.match({favoriteNumbers:{$avg:"avgFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.avgFavorite).equal(7); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.avgFavorite).equal(7); })
 	});
 	it("$avg fail",function(done) {
 		JOQULAR.match({favoriteNumbers:{$avg:"avgFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.avgFavorite).equal(6); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.avgFavorite).equal(6); }).catch(() =>done())
 	});
 	it("$max",function() {
 		return JOQULAR.match({favoriteNumbers:{$max:"maxFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.maxFavorite).equal(13); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.maxFavorite).equal(13); })
 	});
 	it("$max fail",function(done) {
 		JOQULAR.match({favoriteNumbers:{$max:"maxFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.maxFavorite).equal(7); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.maxFavorite).equal(7); }).catch(() =>done())
 	});
 	it("$count",function() {
 		return JOQULAR.match({favoriteNumbers:{$count:"countFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.countFavorite).equal(3); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.countFavorite).equal(3); })
 	});
 	it("$count fail",function(done) {
 		JOQULAR.match({favoriteNumbers:{$count:"countFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.countFavorite).equal(4); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.countFavorite).equal(4); }).catch(() =>done())
 	});
 	it("$mina",function() {
 		return JOQULAR.match({mixedArray:{$min:"minFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.minFavorite).equal(1); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.minFavorite).equal(1); })
 	});
 	it("$mina fail",function(done) {
 		JOQULAR.match({mixedArray:{$min:"minFavorite"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.minFavorite).equal(2); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.minFavorite).equal(2); }).catch(() =>done())
 	});
 	it("$avga",function() {
 		return JOQULAR.match({mixedArray:{$avga:"avg"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.avg).equal(1); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.avg).equal(1); })
 	});
 	it("$avga fail",function(done) {
 		JOQULAR.match({mixedArray:{$avga:"avg"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.avg).equal(2); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.avg).equal(2); }).catch(() =>done())
 	});
 	it("$maxa",function() {
 		return JOQULAR.match({mixedArray:{$maxa:"max"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.max).equal(1); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.max).equal(1); })
 	});
 	it("$maxa fail",function(done) {
 		JOQULAR.match({mixedArray:{$maxa:"max"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.max).equal(2); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.max).equal(2); }).catch(() =>done())
 	});
 	it("$counta",function() {
 		return JOQULAR.match({mixedArray:{$counta:"count"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.count).equal(4); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.count).equal(4); })
 	});
 	it("$counta fail",function(done) {
 		JOQULAR.match({mixedArray:{$counta:"count"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.count).equal(5); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); chai.expect(object.count).equal(5); }).catch(() =>done())
 	});
 	it("$count mixed",function() {
 		return JOQULAR.match({mixedArray:{$count:"count"}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.count).equal(3); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.count).equal(3); })
 	});
 	it("$as",function() {
 		return JOQULAR.match({size:{$as:"Size"}},testobject)
-			.then(object => { chai.expect(object.Size).equal(10); })
+			.then(([object]) => { chai.expect(object.Size).equal(10); })
 	});
 	it("$compute",function() {
 		return JOQULAR.match({computed:{$compute:()=>1}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.computed).equal(1); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.computed).equal(1); })
 	});
 	it("$filter",function() {
 		return JOQULAR.match({mixedArray:{$filter:(item)=>item!==undefined}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.mixedArray.length).equal(3); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.mixedArray.length).equal(3); })
 	});
 	it("$sort",function() {
 		return JOQULAR.match({favoriteNumbers:{$sort:(a,b)=> b - a}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.favoriteNumbers[0]).equal(13); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.favoriteNumbers[0]).equal(13); })
 	});
 	it("$sample",function() {
 		return JOQULAR.match({data:{$sample:[.5,5]}},testobject)
-			.then(object => { 
+			.then(([object]) => { 
 				testvalidator(object); 
 				chai.expect(object.data.length).equal(5); 
 			})
 	});
 	it("$echoes",function() {
 		return JOQULAR.match({name:{$echoes:"jo"}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 	});
 	it("$echoes fail",function(done) {
 		JOQULAR.match({name:{$echoes:"bill"}},testobject)
-			.then(object => { testvalidator(object); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); }).catch(() =>done())
 	});
 	it("$typeof",function() {
 		return JOQULAR.match({name:{$typeof:"string"}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 	});
 	it("$typeof fail",function(done) {
 		JOQULAR.match({name:{$typeof:"number"}},testobject)
-			.then(object => { testvalidator(object); }).catch(() =>done())
+			.then(([object]) => { testvalidator(object); }).catch(() =>done())
 	});
 	it("$and",function() {
 		return JOQULAR.match({name:{$and:{$typeof:"string",$:(value) => value.length===3}}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 	});
 	it("$or",function() {
 		return JOQULAR.match({name:{$or:{$typeof:"string",$:(value) => value.length===3}}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 	});
 	it("$xor",function(done) {
 		JOQULAR.match({name:{$xor:{$typeof:"string",$and:{$typeof:"number"}}}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 			.catch(() =>done())
 	});
 	it("$xor fail direct",function(done) {
 		JOQULAR.match({name:{$xor:{$typeof:"string",$:(value) => value.length===3}}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 			.catch(() =>done())
 	});
 	it("$xor fail indirect",function(done) {
 		JOQULAR.match({name:{$xor:{$typeof:"string",$and:{$typeof:"string"}}}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 			.catch(() =>done())
 	});
 	it("$redact",function() {
 		return JOQULAR.match({unneeded:{$redact:null}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.unneeded).equal(undefined); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.unneeded).equal(undefined); })
 	});
 	it("$some",function() {
 		return JOQULAR.match({favoriteNumbers:{$some:(value) => value===13}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 	});
 	it("$some fail",function(done) {
 		JOQULAR.match({favoriteNumbers:{$some:(value) => value===20}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 			.catch(() =>done())
 	});
 	it("$every",function() {
 		return JOQULAR.match({favoriteNumbers:{$every:(value) => value>0}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 	});
 	it("$every fail",function(done) {
 		JOQULAR.match({favoriteNumbers:{$every:(value) => value>13}},testobject)
-			.then(object => { testvalidator(object); })
+			.then(([object]) => { testvalidator(object); })
 			.catch(() =>done())
 	});
 	it("$reduce",function() {
 		return JOQULAR.match({favoriteNumbers:{$reduce:[(accum,value) => accum += value,0,"sum"]}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.sum).equal(21); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.sum).equal(21); })
 	});
 	it("$map",function() {
 		return JOQULAR.match({favoriteNumbers:{$map:[(value) => value,"mapped"]}},testobject)
-			.then(object => { testvalidator(object); chai.expect(object.mapped.length).equal(3); })
+			.then(([object]) => { testvalidator(object); chai.expect(object.mapped.length).equal(3); })
+	});
+	it("$on set",function() {
+		let event;
+		return JOQULAR.match({monitored:{$on:{set:(...args) => event=args}}},testobject)
+			.then(([object]) => { 
+				testvalidator(object);
+				object.monitored = true;
+				chai.expect(object.monitored).equal(true);
+				chai.expect(event.length).equal(4);
+				chai.expect(event[0]).equal(object);
+				chai.expect(event[1]).equal("monitored");
+				chai.expect(event[2]).equal(true);
+				chai.expect(event[3]).equal(undefined);
+			})
+	});
+	it("$on get",function() {
+		let event;
+		return JOQULAR.match({monitored:{$on:{get:(...args) => event=args}}},testobject)
+			.then(([object]) => { 
+				testvalidator(object);
+				const monitored = object.monitored;
+				chai.expect(event.length).equal(3);
+				chai.expect(event[0]).equal(object);
+				chai.expect(event[1]).equal("monitored");
+			})
+	});
+	it("$on delete",function() {
+		let event;
+		return JOQULAR.match({monitored:{$on:{delete:(...args) => event=args}}},testobject)
+			.then(([object]) => { 
+				testvalidator(object);
+				delete object.monitored;
+				chai.expect(event.length).equal(3);
+				chai.expect(event[0]).equal(object);
+				chai.expect(event[1]).equal("monitored");
+				chai.expect(event[2]).equal(undefined);
+			})
 	});
 });
\ No newline at end of file