MODLRmapping.exists
Returns true or false if the mapping exists or does not.
js
mapping.exists(mappingName);mapping.exists(mappingName);Parameters
mappingName- An identifier used to find the target mapping.
Example
js
if(mapping.exists("Time to Year and Month")) {
//it exists
}if(mapping.exists("Time to Year and Month")) {
//it exists
}TIP
If a mapping exists with this name the code inside the if statement will run, otherwise it will be skipped.