sendImageMessage method Null safety
发送图片消息
messageUuid
消息标识,可用于监听附件上传的进度,可通过UUID.randomUUID()
生成imagePath
图片路径userUuids
用户id列表,为空表示全员消息
Implementation
Future<VoidResult> sendImageMessage(
String messageUuid,
String imagePath,
List<String>? userUuids,
);