mutation DeleteCourse($input: DeleteCourseInput!) {
  deleteCourse(input: $input) {
    clientMutationId
    deletedCourseId
    errors
  }
}

{
  "input": {
    "id": "id"
  }
}

{
  "data": {
    "deleteCourse": {
      "clientMutationId": "string",
      "deletedCourseId": "id",
      "errors": [
        "string"
      ]
    }
  }
}