HP Service Manager. How to unlock a record

gistfile1.txt

function unlock(resource)
{			
	var rteReturnValue = new SCDatum();

	var rteNames = new SCDatum();
	rteNames.push("name");
					
	var rteValues = new SCDatum();		
	rteValues.setType(8);
	rteValues=system.functions.insert(rteValues, 0, 1, resource);

	system.functions.rtecall("callrad", 
									rteReturnValue, 
									"unlock", //RAD app name
									rteNames, 
									rteValues,
									false); //false to run in same thread, true to run in new thread		
	return 1;	
}