How do I find out the value passed to Action in jsx?

I see no reason not to use Smart Filters for Frequency Separation … 

Once can get the values of an applied Filter, but involving Actions would make things unnecessarily complicated in my opinion. 

function addNoise () {
    try {
    var desc16 = new ActionDescriptor();
    var theRes = executeAction(charIDToTypeID( "AdNs" ), desc16, DialogModes.ALL );
    return theRes
    } catch (e) {return false}
    };
var theRes = addNoise();
checkDesc2 (theRes);
////////////////////////////////////
////// based on code by michael l hale //////
function checkDesc2 (theDesc) {
    var c = theDesc.count;
    var str = '';
    for(var i=0;i<c;i++){ //enumerate descriptor's keys
        str = str + 'Key '+i+' = '+typeIDToStringID(theDesc.getKey(i))+': '+theDesc.getType(theDesc.getKey(i))+'\n'+getValues (theDesc, i)+'\n';
        };
    alert("desc\n\n"+str);
    return str
    };
////// check //////
function getValues (theDesc, theNumber) {
    switch (theDesc.getType(theDesc.getKey(theNumber))) {
    case DescValueType.ALIASTYPE:
    return theDesc.getPath(theDesc.getKey(theNumber));
    break;
    case DescValueType.BOOLEANTYPE:
    return theDesc.getBoolean(theDesc.getKey(theNumber));
    break;
    case DescValueType.CLASSTYPE:
    return theDesc.getClass(theDesc.getKey(theNumber));
    break;
    case DescValueType.DOUBLETYPE:
    return theDesc.getDouble(theDesc.getKey(theNumber));
    break;
    case DescValueType.ENUMERATEDTYPE:
    return (typeIDToStringID(theDesc.getEnumerationValue(theDesc.getKey(theNumber)))+"_"+typeIDToStringID(theDesc.getEnumerationType(theDesc.getKey(theNumber))));
    break;
    case DescValueType.INTEGERTYPE:
    return theDesc.getInteger(theDesc.getKey(theNumber));
    break;
    case DescValueType.LISTTYPE:
    return theDesc.getList(theDesc.getKey(theNumber));
    break;
    case DescValueType.OBJECTTYPE:
    return (theDesc.getObjectValue(theDesc.getKey(theNumber))+"_"+typeIDToStringID(theDesc.getObjectType(theDesc.getKey(theNumber))));
    break;
    case DescValueType.RAWTYPE:
    return theDesc.getReference(theDesc.getData(theNumber));
    break;
    case DescValueType.REFERENCETYPE:
    return theDesc.getReference(theDesc.getKey(theNumber));
    break;
    case DescValueType.STRINGTYPE:
    return theDesc.getString(theDesc.getKey(theNumber));
    break;
    case DescValueType.UNITDOUBLE:
    return (theDesc.getUnitDoubleValue(theDesc.getKey(theNumber))+"_"+typeIDToStringID(theDesc.getUnitDoubleType(theDesc.getKey(theNumber))));
    break;
    default: 
    break;
    };
    };