The rest position settings for each constraint are located in the constrained object’s constraint attributes.
         
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                  If on, the rest position is active for the constrained object. If off, the rest position is inactive for the constrained object.
                     Turning  off does not remove it from the constrained object.
                   
 
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                  Sets the X, Y, and Z translation for the constrained object’s Translate rest position. These fields are present for only  and  constraints.
                   
 
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                  Sets the X, Y, and Z rotation for the constrained object’s  rest position. These fields are present only for , , , , and  constraints.
                   
 
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                  Sets the X, Y, and Z scaling for the constrained object’s  rest position. These fields are present only for  constraints.