Start or stop wiggle at specific time

From Adobe's LiveDocs:
You can use any expression in place of the wiggle expression used here, to begin and end any expression’s influence at a specific time.

After Effects CS3
Useful things
Expressions

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Apply the following expression to a property to wiggle it beginning at time 2 seconds:

timeToStart = 2; 
if (time > timeToStart){ 
    wiggle(3,25); 
}else{ 
    value; 
}

Apply the following expression to a property to stop wiggling it at time 4 seconds:

timeToStop = 4; 
if (time > timeToStop){ 
    value; 
}else{ 
    wiggle(3,25); 
}

Apply the following expression to a property to start wiggling it at time 2 seconds and stop wiggling it at time 4 seconds:

timeToStart = 2; 
timeToStop = 4; 
  
if ((time > timeToStart) && (time < timeToStop)){ 
    wiggle(3,25); 
}else{ 
    value; 
}

(Min. Version: After Effects CS3, Category: Useful things, Type: Expressions)

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Start or stop wiggle at specific time

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