Post message
This operation is used to post a Message to a Group or All Company Feed. If group ID is provided, message will be posted to the specified group else it will be posted in All Company Feed.
Get the messages from my Following feed
This operation returns the messages from Following feed which is conversations involving people, groups and topics that the user is following.
Get all messages
This operation returns all public messages in the logged in user's Yammer network. Corresponds to "All" conversations in the Yammer web interface.
Send push notification
Send a push notification to the app specified in the Push Notification connection setup.