Developer Docs - Mobile Docs - Multi Picker
Inherits from Xamarin.Forms.Label
The multi picker will allow the user to make multiple selections from a list of available items. If the field is not marked as required then the user can also leave it empty. When the field is tapped then a new model screen is shown with the list of items and a toggle for each one.
Properties
Example
As you can see in this example, the SelectedValues property can be used to set the initial selection with a comma delimited string. There is some magic happening in XAML that allows that to work. But you try to bind to that property or read its value then you get an array of strings back. That is why the SelectedValuesAsDelimited property exists, it automatically converts that array into a comma delimited string for you.