Filtering Scheduler Gridview

Hello,

I’ve been doing some research on how to filter after updating an event. For example, we have a scheduler and we want to filter people who have entered a return time. They open their “event” click sign in and it updates with the current date.

I have been trying to use the scheduler.filter_{grid name} but I am missing something.

Thanks

I forgot to add after they sign in the grid view should update with the events that do not have a return time.