Update settings

Settings.md

@@ -116,7 +116,8 @@
     - [UseFirstName](#usefirstname)
     - [UseInsecureURL](#useinsecureurl)
 - [Tengo](#tengo)
-    - [Message](#message)
+    - [InMessage](#inmessage)
+    - [OutMessage](#outmessage)
     - [RemoteNickFormat](#remotenickformat-2)
 - [Whatsapp](#whatsapp)
     - [Number *](#number-)
@@ -1136,8 +1137,8 @@ Example: enable it
 # Tengo
 More information about tengo on: https://github.com/d5/tengo/blob/master/docs/tutorial.md and https://github.com/d5/tengo/blob/master/docs/stdlib.md
 
-## Message
-Message allows you to specify the location of a tengo (https://github.com/d5/tengo/) script.
+## InMessage
+InMessage allows you to specify the location of a tengo (https://github.com/d5/tengo/) script.
 This script will receive every incoming message and can be used to modify the Username and the Text of that message.
 The script will have the following global variables: \
 to modify: `msgUsername` and `msgText` \
@@ -1158,10 +1159,34 @@ if text.re_match("blah",msgText) {
 ```
 
 Setting: OPTIONAL, RELOADABLE \
-Format: string \
-Example: 
+Format: string
+Example:
 
-`Message="example.tengo"`
+`InMessage="example.tengo"`
+
+## OutMessage
+OutMessage allows you to specify the location of the script that
+will be invoked on each message being sent to a bridge and can be used to modify the Username
+and the Text of that message.
+
+The script will have the following global variables:
+read-only:
+`inAccount`, `inProtocol`, `inChannel`, `inGateway`, `inEvent`
+`outAccount`, `outProtocol`, `outChannel`, `outGateway`, `outEvent`
+
+read-write:
+`msgText`, `msgUsername`
+
+The script is reloaded on every message, so you can modify the script on the fly.
+
+The default script in https://github.com/42wim/matterbridge/tree/master/internal/tengo/outmessage.tengo
+is compiled in and will be executed if no script is specified.
+
+Setting: OPTIONAL, RELOADABLE \
+Format: string
+Example:
+
+`OutMessage="example.tengo"`
 
 ## RemoteNickFormat
 RemoteNickFormat allows you to specify the location of a tengo (https://github.com/d5/tengo/) script.