wiki/client/graph/admin/pages/update-page-priority.gql

mutation (
  $id: Int!
  $orderPriority: Int!
  $group: String!
) {
  pages {
    updatePriority(
      id: $id
      orderPriority: $orderPriority
      group: $group
    ) {
      responseResult {
        succeeded
      }
    }
  }
}