I want to ensure that I reach out to the individuals who...

I want to ensure that I reach out to the individuals who participated in my webinar and motivate them to complete {a particular task}. What strategies can I employ to effectively achieve this, and how can I customize my communication to cater to various segments of the audience, taking into account their level of involvement? Could you please share some instances of post-webinar campaigns that have successfully accomplished {a specific objective}?