vRO JavaScript script to Get All vCenter Virtual Machines with No Tags

getAllVcVMswithNoTags.js

var arrAllVMs = VcPlugin.getAllVirtualMachines(null, "");
System.log("Total VMs in vCenter: "+arrAllVMs.length);
var client = endpoint.client();
// Set up a dynamic ID for querying 
var objId = new com_vmware_vapi_std_dynamic__ID();
var arrVMsWithNoTags = [];

// set up connections for tag associations, tags, and tag categories
var tagging = new com_vmware_cis_tagging_tag__association(client);
var tagMgr = new com_vmware_cis_tagging_tag(client);
var catMgr = new com_vmware_cis_tagging_category(client);

for(var i = 0; i < arrAllVMs.length; i++){
    var vm = arrAllVMs[i];
    objId.id = vm.id;
    objId.type = vm.vimType;
    var tagIdList = tagging.list_attached_tags(objId);  //returns the ID of each tag
    if(tagIdList.length == 0) {
        System.log(vm.name +" has no tags.");
        arrVMsWithNoTags.push(vm);
    }
}
System.log("Total VMs with no tags: "+arrVMsWithNoTags.length);
return arrVMsWithNoTags;