{"json_modified": "2016-09-17T14:22:04.839341", "uuid": "f56c86e2-0cc7-4b2f-b522-286b8a524711", "title": "runtime.onMessage", "url": "/en-US/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage", "tags": ["runtime", "API", "Reference", "Event", "Non-standard", "Extensions", "onmessage", "Add-ons", "WebExtensions", "onMessage", "Non-Standard", "add-ons"], "translations": [], "modified": "2016-09-17T14:22:04", "label": "runtime.onMessage", "localization_tags": [], "locale": "en-US", "id": 172143, "last_edit": "2016-09-17T11:49:38", "summary": "Fired when a message is received from either an extension process or a content script.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "addListener_syntax", "title": "addListener syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "Compatibility_notes", "title": "Compatibility notes"}, {"id": "Edge", "title": "Edge"}, {"id": "Examples", "title": "Examples"}, {"id": "Example_add-ons", "title": "Example add-ons"}], "slug": "Mozilla/Add-ons/WebExtensions/API/runtime/onMessage", "review_tags": []}