...
    steps:
      - uses: actions/checkout@v2

      - name: Glob match
        uses: tj-actions/glob@v21
        id: glob
        with:
          files: |
            *.md
            **/*.yaml
            !action.yml
            **/rebase.yml

      - name: Show all matching files
        run: |
          echo "${{ steps.glob.outputs.paths }}"
        # Outputs: .github/workflows/rebase.yml .github/workflows/sync-release-version.yml .github/workflows/test.yml...

- uses: tj-actions/glob@v21
  id: glob
  with:
    # Specify a base ref used for comparing changes, when 
    # `include-deleted-files` is set to `true` 
    # Type: string
    # Default: "${{ github.event.pull_request.base.ref }}"
    base-ref: ''

    # Specify a base commit SHA used for comparing changes, 
    # when `include-deleted-files` is set to `true` 
    # Type: string
    base-sha: ''

    # Specify a diff string `..` or `...` used for 
    # comparing changes, when `include-deleted-files` is set to `true` 
    # Type: string
    diff: ''

    # Escape special characters of filenames used in the `paths` 
    # output 
    # Type: boolean
    # Default: "true"
    escape-paths: ''

    # Excluded file patterns (optionally include `!` before the file pattern or it would be prepended) 
    # Type: string
    excluded-files: ''

    # Source file to populate the `excluded-files` input
    # Type: string
    excluded-files-from-source-file: ''

    # Separator used to split the `excluded-files-from-source-file` input
    # Type: string
    # Default: "\n"
    excluded-files-from-source-file-separator: ''

    # Separator used to split the `excluded-files` input
    # Type: string
    # Default: "\n"
    excluded-files-separator: ''

    # File patterns
    # Type: string
    files: ''

    # Source file to populate the `files` input
    # Type: string
    files-from-source-file: ''

    # Separator used to split the `files-from-source-file` input
    # Type: string
    # Default: "\n"
    files-from-source-file-separator: ''

    # Separator used to split the `files` input
    # Type: string
    # Default: "\n"
    files-separator: ''

    # Indicates whether to follow symbolic links
    # Type: boolean
    # Default: "true"
    follow-symbolic-links: ''

    # Specify a boolean indicating a PR from a fork 
    # is used for comparing changes, when `include-deleted-files` is set 
    # to `true` 
    # Type: string
    # Default: "${{ github.event.pull_request.head.repo.fork }}"
    head-repo-fork: ''

    # Include all matching deleted files
    # Type: boolean
    # Default: "false"
    include-deleted-files: ''

    # Indicates whether to include matched directories
    # Type: boolean
    # Default: "true"
    match-directories: ''

    # Indicates whether to match files in `.gitignore`
    # Type: boolean
    # Default: "false"
    match-gitignore-files: ''

    # Separator used for the paths output.
    # Type: string
    # Default: " "
    separator: ''

    # Specify a current commit SHA used for comparing changes, 
    # when `include-deleted-files` is set to `true` 
    # Type: string
    # Default: "${{ github.sha }}"
    sha: ''

    # Strip the `$GITHUB_WORKSPACE` from the `paths` output
    # Type: boolean
    # Default: "true"
    strip-top-level-dir: ''

    # Provide a path that is relative to `$GITHUB_WORKSPACE` for 
    # identifying the repository. 
    # Type: string
    # Default: "."
    working-directory: ''