Client side – How to use WebMsg widget

UNICOM^® Digital Transformation Toolkit (UDTT™) provides a hidden widget WebMsg for client-side usage.

1 Set properties of WebMsg. WebMsg has these properties:

▪ uid, the user id of this terminal/browser, leave it empty to avoid receiving private message(send via sendPrivateMsg method)

▪ Topics, the topic list which this user is interested in, will receive the message send to the topics(send via publishMsg method)

▪ receiveBroadcast, set this to true to receive broadcast message(send via broadcastMsg method)

2 Listen to the inbound web message via listening onWebMessage event of WebMsg widget in ECA rule editor

▪ Web Message Object can be used in condition(editor) and action(editor) of ECA to handle the received inbound web message. It has two properties:

topic: the topic name of the received message

value: get the message value via this function property, it need the qualified ID of the attribute in the message

For example:

for the message, {type:”example”, data:{field1:”f1”, field2:false}}

The qualified ID of field1 is : “data.field1”