Microsoft Sharepoint Online REST API documentation about Document Sets

[DovydasADL]

I'm struggling to create Document Sets using Postman HTTP requests to Sharepoint Online REST API. On Microsoft site there's almost no information about working with custom content types in REST API. Can anyone provide a link to full documentation of Sharepoint Online REST API? At the moment I can created Document Set only using listdata.svc service. But If i'm right, there is no possibility to pass metadata values when creating new Document Set, you must send another HTTP request to update the DocSet and only the you can pass the metadata. Another task will be to upload files to Document Sets - and there is zero information about doing that.

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[github-actions]

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