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.