Trying to use insertRecord from Creator to create record in Custom Module in CRM

Hello,

I am trying to insert a record in a CRM custom module from Creator using the insertRecord method but not having any success.

Sample code below - Any help appreciated

myCoursemap = map();

myCoursemap.put("authtoken", ".....");

myCoursemap.put("scope", "crmapi");

myCoursemap.put("xmlData", "<CustomModule1><row no=\"1\"><FL val=\"CustomModule1 Name\">View</FL><FL val=\"Opportunity_ID\">1292716000000095025</FL></row></CustomModule1>");

url=" https://crm.zoho.com/crm/private/xml/CustomModule1/insertRecords?";

NewCourseResponse = postUrl(url, myCoursemap);