Just googled Azure Graph API, looks like it's using RESTful API. Think you can use the JSON Tool for this. There's a neat article on how to submit a form with integration to an external RESTful API. Probably can use that article as a reference.
JSON Tool - Knowledge Base for DX 7 - Joget | COMMUNITY
Form Submission with Integration to External Restful API - Knowledge Base for DX 7 - Joget | COMMUNITY
