Alter submission form

Available since: 1.0.0

Provided tokens

Token	Description
[event]	The event.
[event:webform]	The webform.
[event:webform:access_rules]	The access rules.
[event:webform:form]	The form array.
[event:webform:form_id]	The form ID.
[event:webform:form_state]	The form state object.
[event]	The event.
[event:machine_name]	The machine name of the ECA event.
[session_user]	The user account that dispatched the event, regardless if ECA is processing models under a different account.