[Dashboard] how to watch a global variable?

[dong-king]

I use watch action as shown below(changed from SerialPort exmaple), but it didnt work.

1. add a user action: watchSerial. it watchs serial connection status.

2. add watchSerial to page

Test: when i click Connect button, no output is seen in the logs area. can watch action be used in a user action?

[mvladic]

Watch action alone will not keep user action running, you can add Delay action like this: