Trigger github actions from external tools

Auto magically trigger github actions from external tools or within github workflows using repository dispatcher. This feature will free you up to integration github workflows with any tool that supports calling a rest endpoint.

Resources:
Repository as seen in video – https://github.com/meroware/example-event-dispatcher-workflows
Github api docs – https://docs.github.com/en/rest/reference/repos#create-a-repository-dispatch-event