Function submit

submit(listenerId, fn): void
JMap.Event.Form.on.submit

This event is triggered each time a form (or subform) is submitted.
Parameters
- listenerId: string
  Your listener id (must be unique)
- fn: ((params) => void)
  Your listener function
  - - (params): void
    - Parameters
      params: JFormSubmitEventParams
      Returns void
Returns void
Example
```
// log a message in the console once a form has been submitted
JMap.Event.Form.on.submit(
  "custom-form-submit",
  params => console.info(`A form has been submitted`, params)
)
```