mixed-inputs.yml

# https://github.blog/changelog/2021-11-10-github-actions-input-types-for-manual-workflows/
name: Mixed inputs
on:
  workflow_dispatch:
    inputs:
      message:
        required: true
      name:
        type: choice
        description: Who to greet
        options: 
        - monalisa
        - cschleiden
      use-emoji:
        type: boolean
        default: false
        description: Include 🎉🤣 emojis

jobs:
  greet:
    runs-on: ubuntu-latest
    steps:
    - name: Send greeting
      run: echo $MESSAGE ${{ toJSON(inputs.name) }} ${{ fromJSON('{"true":"🥳","false":""}')[inputs.use-emoji] }}
      env:
        MESSAGE: ${{ inputs.message }}