{ "type": "object", "description": "This event is sent by the callee when they wish to answer the call.", "x-weight": 40, "allOf": [{ "$ref": "core-event-schema/room_event.yaml" }], "properties": { "content": { "type": "object", "allOf": [{ "$ref": "core-event-schema/call_event.yaml" }], "properties": { "answer": { "type": "object", "title": "Answer", "description": "The session description object", "properties": { "type": { "type": "string", "enum": ["answer"], "description": "The type of session description." }, "sdp": { "type": "string", "description": "The SDP text of the session description." } }, "required": ["type", "sdp"] }, "sdp_stream_metadata": { "$ref": "components/sdp_stream_metadata.yaml" } }, "required": ["answer"] }, "type": { "type": "string", "enum": ["m.call.answer"] } } }