Learn how to let your users create time slots for an event dynamically then have other reserve or book that time. The app uses Sequence, AddColumns, DataDiff, Patch and more functions to take some simple inputs and create this complex repeating data structure. App also allows you to add an event reminder to your Outlook Calendar.
0:00 Power Apps Booking or Reservation System
1:15 Demo of the example time slot app
4:20 Using Power Apps Sequence function and Power Apps AddColumns function to create a table of times during the day for a Dropdown control
10:18 Conditional error messages and setting the DisplayMode of a button
12:22 Using ForAll, Patch, and DateDiff PowerApps functions to create the blank slots in your data source (SharePoint)
14:48 Looking at the SharePoint list we use as a data source
17:08 Booking a time slot as a user
18:40 Unbooking a time slot and patching blanks quick tip
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