gitlab-org--gitlab-foss/app/assets/javascripts/sidebar/queries/update_merge_request_labels.mutation.graphql

mutation mergeRequestSetLabels($input: MergeRequestSetLabelsInput!) {
  mergeRequestSetLabels(input: $input) {
    errors
    mergeRequest {
      id
      labels {
        nodes {
          color
          description
          id
          title
        }
      }
    }
  }
}