Updates a pull request review comment.

Input fields

input (UpdatePullRequestReviewCommentInput!)

Return fields

clientMutationId (String)

A unique identifier for the client performing the mutation.

pullRequestReviewComment (PullRequestReviewComment!)

The updated comment.

Upcoming Change on 2019-01-01 UTC Description: Type for pullRequestReviewComment will change from PullRequestReviewComment! to PullRequestReviewComment. Reason: In preparation for an upcoming change to the way we report mutation errors, non-nullable payload fields are becoming nullable.