target_workflow.yml

name: manually deploy to stage

on: 
  workflow_dispatch:
    inputs:
      environment:
        description: 'Define env name'     
        required: true
        type: choice
        options: 
          - prod
          - my test
        default: 'prod'
      branch:
        description: 'Define branch name'     
        required: true
        default: 'main'


env:
  TASK: ${{ github.event.inputs.environment }}

permissions: write-all

jobs:
  hello:
    runs-on: ubuntu-latest
    steps:
      - name: hi there
        run: echo hi there $USER $TASK
      - name: env there
        run: env
  deploy:
    runs-on: ubuntu-latest

    env:
      USER: me
      TASK: say hello
    needs: hello

    strategy:
      matrix:
        versions:
          - a
          - b
          - c

    steps:
      - name: goodbye
        run: echo goodbye  $USER $TASK ${{ matrix.versions }}
      - name: env there
        run: env