An object containing information about the sender of a message or connection request that is passed to the
Values of this type are objects. They contain the following properties:
string. A UUID of the document that opened the connection.
string. The lifecycle state the document that opened the connection was in when the port was created. Note that the lifecycle state of the document may have changed since the port was created.
integer. The frame that opened the connection. Zero for top-level frames, positive for child frames. This is only set when
string. The ID of the extension that sent the message, if the message was sent by an extension. If the sender has an ID explicitly set using the browser_specific_settings key in manifest.json, then
idhas this value. Otherwise, it has the ID that was generated for the sender.
string. The origin of the page or frame that opened the connection. It can differ from the
urlproperty (e.g., about:blank) or be opaque (e.g., sandboxed iframes). This is useful for identifying if the origin can be trusted if it isn't apparent from the URL.
string. The TLS channel ID of the page or frame that opened the connection, if requested by the extension and available.
string. The URL of the page or frame hosting the script that sent the message.
If the sender is a script running in an extension page (such as a background page, an options page, or a browser action or page action popup), the URL is in the form
"moz-extension://<extension-internal-id>/path/to/page.html". If the sender is a background script and you haven't included a background page, it is
If the sender is a script running in a web page (including content and normal page scripts), then
urlis the web page URL. If the script is running in an iframe,
urlis the iframe's URL.
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