diff --git a/README.md b/README.md
index 1cf1a4b7..ecb76075 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,18 @@ Operator | Description
 --- | ---
 `ASUM(a, b)` | Aggregated sum of O2M field. For example: calculate shopping cart total price with `ASUM(products, MULTIPLY(price, quantity))` where `products` is the O2M field in the shopping cart and `price` & `quantity` are 2 fields of `products`.
 
+### Condition
+
+Operator | Description
+--- | ---
+`IF(A, B, C)` | return `B` if `A` is `true`, otherwise `C`
+
+## Dynamic Variables
+
+There are 2 dynamic variables available that you can use in the expressions:
+- `$NOW`: return the current Date object. Example: `{{ YEAR($NOW) }}` returns the current year.
+- `$CURRENT_USER`: return the current user's id. Example: `{{ EQUAL($CURRENT_USER, user) }}` checks if the `user` field is the current user.
+
 
 # Limitation
 - Cannot parse literal strings (`{{ 's' }}`).
diff --git a/package-lock.json b/package-lock.json
index c4c84ade..91b6a0df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "directus-extension-computed-interface",
-	"version": "1.3.0",
+	"version": "1.4.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "directus-extension-computed-interface",
-			"version": "1.3.0",
+			"version": "1.4.0",
 			"license": "gpl-3.0",
 			"devDependencies": {
 				"@babel/core": "^7.19.3",
diff --git a/package.json b/package.json
index 06e76df6..1976f886 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "directus-extension-computed-interface",
-	"version": "1.3.0",
+	"version": "1.4.0",
 	"description": "Perform computed value based on other fields",
 	"author": {
 		"email": "duydvu98@gmail.com",