Method invoked by Zyllio SDK when this action is being executed.
This method is asynchronous, it is the responsibility of the developper to synchronize the code to return a single promise
This action may be part of a sequence of actions, next action will be considered only the previous one returns true
Array of action properties configured by Zyllio Studio users
the transition Id if the action successfully executed, null otherwise. Null will stop the action sequence
Interface to be implemented by Actions