How to extract data from a multipart/form-data body in a Scripted REST API to attach a file

[snow01]

I am configuring a scripted REST API to attach a file from another instance to ServiceNow. The other interface sends me the data in the request body as multipart/form-data, but I am unable to retrieve the different pieces of data from the body.
Do you have any idea how I can achieve this?

[Ankur Bawiskar]

@snow01 

these links should help you and it will require custom logic

Inbound Multipart/form-data via the Scripted REST API (in a scoped application) 

Handling 'text/plain' and Other Unsupported Content Types in ServiceNow Scripted REST APIs  

Git hub link 

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