Getting {"result":{"code":400,"error":"Attribute: '' is missing in payload."}} in Outbound REST call

[maneesh3]

Hi Team,

I am working on to send outbound message to Servicenow instance through REST API. Configured below Outbound api and business rule , and getting error:    {"result":{"code":400,"error":"Attribute: 'sys_class_name' is missing in payload."}}

 Outbound:

Business rule:

No clue still getting error:  

Please help to overcome issue.

Thank you!

[Runjay Patel]

Try once with passing static value to all attribute for creation operation not for update as you are getting error in create.