Message

JavaScript Message APIs

Send text message

Name	Parameters Description	Response
sendTextMessage(roomId,body,txnId,callback)	roomId: room id body: message content string txnId (optional)：transaction id callback (optional):	N/A

Send image

Name	Parameters Description	Response
sendImageMessage(roomId,url,info,txnId,callback)	roomId: room id url: image url info (optional): image information txnId (optional)：transaction id callback (optional):	N/A

Send notice

Name	Parameters Description	Response
sendNotice(roomId,body,txnId,callback)	roomId: room id body: notice text string txnId (optional)：transaction id callback (optional)：	N/A

Get history message

Name	Parameters Description	Response
createMessagesRequest(roomId, fromToken, limit, dir)	roomId: room id fromToken: Pagination identifier, pass an empty string for the first time, and pass the 'end' field returned from the previous call for subsequent calls. limit : number of events per page returned by the backend API. dir : direction, value is "b" | "f", where b: back, f: forward.	end: pagination identifier, if not returned, indicates completion of retrieval. chunk: retrieved event data, returned as an array.