Using a Fine-Grained PAT for Self-Hosted Runner Registration

[msanft]

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Hey there!

I'm currently trying to figure out which permissions are required on a fine-grained PAT to create a registration token for a self-hosted GitHub Actions runner.

The documentation mentions that organization_self_hosted_runners:write is required, but when I create a fine-grained PAT with permissions set as follows, the API call to create the token fails:

The error message of the failing call reads:

{
  "message": "Resource not accessible by personal access token",
  "documentation_url": "https://docs.github.com/rest/actions/self-hosted-runners#create-a-registration-token-for-an-organization"
}

Are there any other permissions required for a fine-grained PAT to create runner registration tokens?