mutation {
  addFileSet(
    repoName: { name: "repo1" }
    filesetInput: {
      key: "key3"
      value: "value3"
      description: "newDesc3"
      files: {
        name: "file1"
        description: "Desc"
        type: { name: "filetype", extension: "extension" }
      }
    }
  ) {

    fileSet{
      key
      value
    }
  }
}