Function beforeSend

beforeSend(uri, aureq, dt?): string
Called before sending an AU request.
Parameters
- uri: string
  the AU's request URI (such as /zkau)
- aureq: Event<unknown>
  the AU request
- Optional dt: Desktop
  the desktop
Returns string
the AU's request URI.

Default Value
append zk.Widget.autag to uri.

It is designed to be overriden by an application to record what AU requests have been sent. For example, to work with Google Analytics, you can add the following code: ```html ```
Since
5.0.2