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runtime.onConnectExternal

Fired when a connection is made with another extension.

Syntax

chrome.runtime.onConnectExternal.addListener(function(
  port // Port
) {...})
chrome.runtime.onConnectExternal.removeListener(listener)
chrome.runtime.onConnectExternal.hasListener(listener)

This API is also available as browser.runtime.onConnectExternal.*.

Events have three functions:

addListener(callback)
Adds a listener to this event.
removeListener(listener)
Stop listening to this event. The listener argument is the listener to remove.
hasListener(listener)
Checks whether a listener is registered for this event. Returns true if it is listening, false otherwise.

addListener syntax

Parameters

function

A callback function that will be called when this event occurs. The function will be passed the following arguments:

port
A runtime.Port object connecting the current script to the other extension it is connecting to.

Browser compatibility

Chrome Edge Firefox Firefox for Android Opera
Basic support Yes No No No 33

Examples

Acknowledgements

This API is based on Chromium's chrome.runtime API. This documentation is derived from runtime.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

 Contributors to this page: Makyen, chrisdavidmills, wbamberg
 Last updated by: Makyen,