You can simulcast into a Mighty Network event using YouTube Live or Facebook Live. First, create an event and choose Live Video. When it's time, start your YouTube Live or Facebook Live event. Once that starts, copy and paste the URL link and embed it into the Event Description using the plus button next to the cursor:
Once the Event is live and starts, the stream will play directly in the Event description. Members won't have to go anywhere else to view it! After the event is finished, the recorded video will automatically be saved in the event description.
Depending on the subscription level you have in services like Zoom or CrowdCast, you can start the event in that service and simulcast it to YouTube or Facebook. Then, you can embed the link as described above.