Run automation from parent Other BU

Run automation from parent Other BU.js

<script runat="server">

Platform.Load("Core","1.1.1");
var output = "";

var automationCustomerKey = "xxxxxx-xxxx-xxxx-xxxx-xxxxxx";
var buMID = "00000000000000";

var cid = Platform.Function.CreateObject("ClientID");
Platform.Function.SetObjectProperty(cid, "ID", buMID);
Platform.Function.SetObjectProperty(cid, "IDSpecified", "true")

var rr = Platform.Function.CreateObject("RetrieveRequest");
Platform.Function.AddObjectArrayItem(rr, "ClientIDs", cid);
Platform.Function.SetObjectProperty(rr, "ObjectType", "Program");
Platform.Function.AddObjectArrayItem(rr, "Properties", "Name");
Platform.Function.AddObjectArrayItem(rr, "Properties", "ObjectID");
Platform.Function.AddObjectArrayItem(rr, "Properties", "Status");

var sfp = Platform.Function.CreateObject("SimpleFilterPart");
Platform.Function.SetObjectProperty(sfp, "Property", "CustomerKey");
Platform.Function.SetObjectProperty(sfp, "SimpleOperator", "equals");
Platform.Function.AddObjectArrayItem(sfp, "Value", automationCustomerKey);

Platform.Function.SetObjectProperty(rr, "Filter", sfp);

var retrieveStatus = [0,0,0];

var automationResultSet = Platform.Function.InvokeRetrieve(rr, retrieveStatus);


var ObjectID = automationResultSet[0]["ObjectID"];
var Status = automationResultSet[0]["Status"];

if (ObjectID != "null") {

    output += "<br>" + automationCustomerKey + " ObjectID : " + ObjectID;
    output += "<br>" + automationCustomerKey + " Status: " + Status;
	if (Status == 2) {
		var obj = Platform.Function.CreateObject("Automation");
		Platform.Function.SetObjectProperty(obj, "ObjectID", ObjectID);
		Platform.Function.SetObjectProperty(obj, "Client", cid);
		var po = Platform.Function.CreateObject("PerformOptions");

		var performResult = [0,0,0];
		var performStatus = Platform.Function.InvokePerform(obj, "start", performResult, po);

		output += "<br><br>performResult: " + Stringify(performResult);
	} 
    /*
    Code Status
    -1   Error
     0   BuildingError
     1   Building
     2   Ready
     3   Running
     4   Paused
     5   Stopped
     6   Scheduled
     7   Awaiting Trigger
     8   InactiveTrigger
    */

} else {
  output += "<br>" + automationCustomerKey + " not found";
}
output += "<br><br>cid: " + Stringify(cid);
Write("<br>" + output);
</script>

Refer for WSProxy code