Not sure when this was introduced, but if you have your Spawn Rate driven by a user parameter, when you add your niagara system to sequencer and add the niagara component track, within that you’ll be able to add tracks for your user parameters.
Not sure when this was introduced, but if you have your Spawn Rate driven by a user parameter, when you add your niagara system to sequencer and add the niagara component track, within that you’ll be able to add tracks for your user parameters.