Github Actions repository_dispatch example

from.yaml

name: Build Artifacts

on: [push]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v1
      with:
        fetch-depth: 1

    - name: call the other repo
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        EVENT: YOUR_EVENT_TYPE
        ORG: YOUR_ORG_NAME
        REPO: YOUR_REPO_NAME
      run: |
        curl -d "{\"event_type\": \"${EVENT}\"}" -H "Content-Type: application/json" -H "Authorization: token ${GITHUB_TOKEN}" -H "Accept: application/vnd.github.everest-preview+json" "https://api.github.com/repos/${ORG}/${REPO}/dispatches"

to.yaml

name: dispatch receiver

on: [repository_dispatch]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: dispatch trigger
      if: github.event.action == "YOUR_EVENT_TYPE"
      run: |
        echo "repository_dispatch triggered"

@big-andy-coates Exceptions have been made for using GITHUB_TOKEN for workflow_dispatch and repository_dispatch - https://github.blog/changelog/2022-09-08-github-actions-use-github_token-with-workflow_dispatch-and-repository_dispatch/

Oh that's now a lot easier - thanks for the update @whsalazar !