Canvas Developer Guide
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Using Streaming API in a Canvas App
Canvas provides an event and methods that enable canvas apps to listen
for Streaming API notifications.
- sfdc.streamingapi—JavaScript event that you create and associate with a Streaming API channel defined by a PushTopic. See Using the Streaming API Event.
- subscribe—Subscribes to the sfdc.streamingapi event that you define. See Subscribing to a Streaming API Event.
- unsubscribe—Unsubscribes from the sfdc.streamingapi event. See Unsubscribing from a Streaming API Event.