feat: Get-WebSocket -Filter ( Fixes #42 )

docs/Get-WebSocket.md

@@ -254,6 +254,17 @@ The subprotocol used by the websocket.  If not provided, this will default to `j
 |----------|--------|--------|-------------|
 |`[String]`|false   |named   |false        |
 
+#### **Filter**
+One or more filters to apply to the output of the WebSocket.
+These can be strings, regexes, scriptblocks, or commands.
+If they are strings or regexes, they will be applied to the raw text.
+If they are scriptblocks, they will be applied to the deserialized JSON.
+These filters will be run within the WebSocket job.
+
+|Type          |Required|Position|PipelineInput|
+|--------------|--------|--------|-------------|
+|`[PSObject[]]`|false   |named   |false        |
+
 #### **WatchFor**
 If set, will watch the output of a WebSocket job for one or more conditions.
 The conditions are the keys of the dictionary, and can be a regex, a string, or a scriptblock.
@@ -313,5 +324,5 @@ RunspacePools allow you to limit the scope of the handler to a pool of runspaces
 
 ### Syntax
 ```PowerShell
-Get-WebSocket [[-WebSocketUri] <Uri>] [-QueryParameter <IDictionary>] [-Handler <ScriptBlock>] [-Variable <IDictionary>] [-Name <String>] [-InitializationScript <ScriptBlock>] [-BufferSize <Int32>] [-OnConnect <ScriptBlock>] [-OnError <ScriptBlock>] [-OnOutput <ScriptBlock>] [-OnWarning <ScriptBlock>] [-Watch] [-RawText] [-Binary] [-SubProtocol <String>] [-WatchFor <IDictionary>] [-TimeOut <TimeSpan>] [-PSTypeName <String[]>] [-Maximum <Int64>] [-ConnectionTimeout <TimeSpan>] [-Runspace <Runspace>] [-RunspacePool <RunspacePool>] [<CommonParameters>]
+Get-WebSocket [[-WebSocketUri] <Uri>] [-QueryParameter <IDictionary>] [-Handler <ScriptBlock>] [-Variable <IDictionary>] [-Name <String>] [-InitializationScript <ScriptBlock>] [-BufferSize <Int32>] [-OnConnect <ScriptBlock>] [-OnError <ScriptBlock>] [-OnOutput <ScriptBlock>] [-OnWarning <ScriptBlock>] [-Watch] [-RawText] [-Binary] [-SubProtocol <String>] [-Filter <PSObject[]>] [-WatchFor <IDictionary>] [-TimeOut <TimeSpan>] [-PSTypeName <String[]>] [-Maximum <Int64>] [-ConnectionTimeout <TimeSpan>] [-Runspace <Runspace>] [-RunspacePool <RunspacePool>] [<CommonParameters>]
 ```