name: Pull Request Open

on: 
  workflow_run:
    workflows: ["Prev"]
    types:
      - completed

jobs:
  Download:
    runs-on: ubuntu-latest
    steps:
      - uses: dawidd6/action-download-artifact@v2
        with:
          name: artifact_name
          workflow: wf.yml
      - name: Run command
        run: sh cmd



