Initializing help system before first use

# getfromid

Purpose
Get the ID of the sender of an event.
Synopsis
`function getfromid(ev:Event):integer`
Argument

ev | An event

Return value
The ID of the sender of the event. 0 is returned for a nullevent
Further information
1. Each model has a unique ID that is attached to each event it sends. With this function one can identify the sender of a given event.
2. The ID of an event sent from the parent model is always 0.
Related topics
getid, getfromgid, getfromuid, getvalue, getclass.
Module
mmjobs
Parent Topic Procedures and functions

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