{ var myProps = app.project.activeItem.selectedProperties; var myProp = null; for (var i = 0; i < myProps.length; i++){ if (myProps[i].name.indexOf('Puppet Pin 1') == 0){ myProp = myProps[i]; break; } } if (myProp != null){ var myExpr = myProp.property("Position").expression; if (myExpr != ""){ var myDeform = myProp.propertyGroup(1); var numPins = myDeform.numProperties; for (var i = 2; i <= numPins; i++){ myDeform.property("Puppet Pin " + i).property("Position").expression = myExpr; } }else{ alert("Puppet Pin 1 doesn't have expression."); } }else{ alert("Puppet Pin 1 not selected."); } }