WEBHOOKmessage.ackReceive events when server or recipient gets the message, read or played it (contacts only).Copy Pagewbhk message.ackPayloadidstringrequiredUnique identifier for the event - lower case ULID format. https://github.com/ulid/spectimestampnumberrequiredUnix timestamp (ms) for when the event was created.sessionstringrequiredmetadataobjectMetadata for the session.metadata objectenginestringenumrequiredWEBJSWEBJSNOWEBGOWSAllowed:WEBJSNOWEBGOWSeventobjectenumrequiredReceive events when server or recipient gets the message, read or played it (contacts only).event objectpayloadobjectrequiredpayload objectmeobjectme objectenvironmentobjectrequiredenvironment objectResponse 200Return a 200 status to indicate that the data was received successfullyUpdated 7 months ago Incoming message.message.ack.groupDid this page help you?YesNo