How to call external REST API using oAuth2 authentication?

SOLVED

Hello All,

I am new to Sage X3 REST web services. I need to call external REST API of SAP CONCUR application using oAuth2 authentication method. Is there any help guide on how I can achieve this.

I am trying to read the data from SAP Concur system using REST API.

I tried to create a REST call from Sage X3 but there is no option on how i can set oAuth authentication. Attached is the screenshot.

 

Any sort of help is highly appreciable.

Thanks and Regards.