How to create AR receipt batch with attachment on it

Summary:

Hi Team - We have to create AR Receipt batch with the help of Rest api and also have to upload the attachment at receipt batch level (not on the receipt in batch). But there is no rest api available to do the same. Could someone please help here and provide the api details.

We have already referred the doc id but there are no details for attachments upload to the batch. (Doc ID 2514002.1)

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