Converting string type to VC:DistributedVirtualPortgroup type

I am having problems creating a wrapper to convert a string (property value passed from vRA) to a VC:DistributedVirtualPortgroup.

I am able to get all the current portgroups in an array but I'm not able to get the correct object based on the name property.

This is what I have currently

var dvPortgroupName = "vxw-dvs-38-virtualwire-113-sid-5003";
var dvPortgroups = VcPlugin.getAllDistributedVirtualPortgroups();
for each (pg in dvPortgroups){
 if (pg.name == dvPortgroupName){  System.log("dvPortgroupName found!");
 } else {  System.log("dvPortgroupName not found!");
 }
}

I am able to get the results that I want if I try creating a wrapper using another object like 'datastore'

var datastoreName = "vsanDatastore";
var dataStores = VcPlugin.getAllDatastores();
for each (ds in dataStores){
 if (ds.name == datastoreName){  System.log("datastore name found!");
 } else {  System.log("datastore name not found!");
 }
}

Any help or guidance would be greatly appreciated.