Implement time scheduling-DataV(DataV)-阿里云帮助中心

Use the Time widget to trigger periodic data updates for the General Title widget. This example walks through connecting both widgets in the Blueprint Editor and configuring a scheduled callback.

Demonstration

Procedure

Log on to the DataV console.
Select a visualization application and click Edit to open the canvas editor.
Add the Timer widget and the Common Title widget to the canvas.
Select the Timer widget. Turn on the Callback Settings > Scheduled Callback Settings switch and set the callback time. For example: 2023-04-21 13:45:00.
(Optional) Select the Common Title widget and clear the title.

Note
Clearing the title prevents content from appearing in the visualization before the event starts. You can also add custom content instead.
In the Layers panel, select all widgets and right-click Export to Blueprint Editor.
Connect the widgets.
Configure the processing method for the Serial Data Processing node.
```
return [{value: "Event Started"}];
```
Click the icon in the upper-right corner of the page to preview the result.