Example triggerring a github action workflow from another repository using a repository_dispatch configuration

initiator.yml

name: Initiator

on:
  schedule:
    - cron: '0 1 * * MON-FRI' # Runs at 1:00 UTC
  repository_dispatch:

jobs:
  producer:
    if: github.event.action != 'Workflow Response'
    runs-on: ubuntu-latest
    steps:
      - name: INIT REMOTE WORKFLOW 
        run: |
          curl -X POST https://api.github.com/repos/<OWNER>/<REPO>/dispatches \
          -H 'Accept: application/vnd.github.everest-preview+json' \
          -u ${{ secrets.ACCESS_TOKEN }} \
          --data '{"event_type": "Start Workflow", "client_payload": { "repo": "'"$GITHUB_REPOSITORY"'" }}'

  receiver:
    if: github.event.action == 'Workflow Response'
    runs-on: ubuntu-latest
    steps:
      - name: RESPONSE REMOTE WORKFLOW
        run: echo "RESPONSE received from '${{ github.event.client_payload.repository }}'"

remote_workflow.yml

name: Remote Workflow

on: [repository_dispatch]

jobs:
  receiver:
    runs-on: ubuntu-latest
    if: github.event.action == 'Start Workflow'
    steps:
      - name: Event Information
        run: |
          echo "Event '${{ github.event.action }}' received from '${{ github.event.client_payload.repository }}'"

  producer:
    needs: [receiver]
    runs-on: ubuntu-latest
    steps:
      - name: RESPONSE INIT WORKFLOW
        run: |
          curl -X POST https://api.github.com/repos/<OWNER>/<REPO>/dispatches \
          -H 'Accept: application/vnd.github.everest-preview+json' \
          -u ${{ secrets.ACCESS_TOKEN }} \
          --data '{"event_type": "Workflow Response", "client_payload": { "repository": "'"$GITHUB_REPOSITORY"'" }}'