Good Morning

Im eventually trying to copy all custom fields in contacts to deals, but I cant get this simple button script to make a deal.  As you below im just putting a hard coded string into the fields, but it still does not create a deal. 

Arguments = module_id = contact_id

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deal_map = Map();

deal_map.put("Potential Name","Bob Jones");

deal_map.put("Deal Name","kelley test");

deal_map.put("Stage","Reviewing");

deal_map.put("CONTACTID",module_id);

zoho.crm.create("Potentials",deal_map);

return "";