V5平台二次开发指南
2.19.1. 系统消息对象

{
  "id" : -6675423597613201249,
  "creationDate" : 1397631785000,
  "referenceId" : 1524058743291659976,
  "messageCategory" : 10,
  "messageContent" : "张三发起调查《调查样式1》",
  "messageType" : 0,
  "senderId" : -8361687019900091749,
  "receiverId" : -8361687019900091749,
  "userId" : -8361687019900091749,
  "senderName" : "张三",
  "linkType" : "message.link.inq.alreadyauditing",
  "openType" : 0,
  "linkParam0" : "1524058743291659976",
  "linkParam1" : null,
  "linkParam2" : null,
  "linkParam3" : null,
  "linkParam4" : null,
  "linkParam5" : null,
  "linkParam6" : null,
  "linkParam7" : null,
  "linkParam8" : null,
  "linkParam9" : null,
  "isRead" : false
}