VideoHacker

Use time or frames to start i.e.:

frameToStart = 39;
if (timeToFrames() > frameToStart)
{ wiggle(2, 500);
} else {
value;
}

That starts at frame 39.

or

timeToStart = 1;
if (time > timeToStart)
{ wiggle(2, 500);
} else {
value;
}

that after 1st second.

Reference: