diff --git a/ModuleServerAPI.md b/ModuleServerAPI.md
index b22deeb..9837444 100644
--- a/ModuleServerAPI.md
+++ b/ModuleServerAPI.md
@@ -301,10 +301,41 @@ api.hasReferenceProperty(sceneId, propertyId);
 
 ### sendToModule
 
+Send a message to another module within the channel.
+
+```javascript
+api.sendToModule(moduleId, header, ...args);
+```
+
+| Argument | Type   | Description                                  |
+| -------- | ------ | -------------------------------------------- |
+| module   | string | The id of the module to send the message to. |
+| header   | string | The header of the message.                   |
+| args     | any[]  | Additional arguments of the message.         |
+
 ### receiveFromModule
 
+Receive a message from another module within the channel.
+
+```javascript
+api.receiveFromModule(header, callback);
+```
+
+| Argument | Type                                    | Description                               |
+| -------- | --------------------------------------- | ----------------------------------------- |
+| header   | string                                  | The header of the messages to listen for. |
+| callback | ( moduleId:string, ...args:any[] ):void | Callback when a message is received.      |
+
 ### getChannelModules
 
+Get all modules within the channel.
+
+```javascript
+api.getChannelModules();
+```
+
+**Returns** {moduleId:string, type:string, name:string, moduleCommunicationHeaders:{header:string, arguments:number}}[] _List of all modules_
+
 ### hasChannelModules
 
 ## Cues