The name of the branch you want your changes pulled into. This should be an existing branch
on the current repository. You cannot update the base branch on a pull request to point
to another repository.

The contents of the pull request.

A unique identifier for the client performing the mutation.

Indicates whether this pull request should be a draft.

The name of the branch where your changes are implemented. For cross-repository pull requests
in the same network, namespace head_ref_name with a user like this: username:branch.

The Node ID of the head repository.

Indicates whether maintainers can modify the pull request.

The Node ID of the repository.

The title of the pull request.