Onevent

onevent <event name> { code } endevent

Used outside of all actors. When the event called <event name> occurs, any following code occurs. endevent is used to end the statement. Set the gamevar RETURN to -1 inside an onevent statement to cancel to effects of the event.

Example code:

gamevar MYMEDPACK 100 1

onevent EVENT_TURNAROUND
{
    palfrom 32 0 0 32
    addphealth 5
    subvar MYMEDPACK 5
    setvar RETURN -1
}
endevent

See the EDuke32 event list for a list of all currently valid events in Eduke32.