The Signal Start Event element is located in the Event & Gateway drawer of the process editor palette.
The Signal Start Event listens to a signal. It starts a new process when a signal with a matching signal code has been received.
See the Signal concept for sample use cases.
The Name Tab is included in the mask of all process elements and contains the name and a description of the element.
On this tab you configure the Signal Code that the Signal Start Event will listen to.
Define whether the triggered case should be attached to the same Business Case as the signaling case.
On Output Tab you can configure the output of the element (i.e. the data that leaves the element).
Additionally to the regular variables of the Output Tab you have the following variable available:
Gives access to the signal event.