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[Music] swift ui gives us the on delete modifier to control how objects should be removed from a collection now in practice this is almost exclusively used with list and for each we use list to show a list of rows and then forage to create them more individually then attach the on delete to the four docHub so users can delete any rows they no longer want this is another place where swifty wide does a heck of a lot of work on our behalf but it does have a few quirks as youll see first lets make an example we can work with a list that shows numbers and every time we tap a button a new number appears well say at state private var numbers is an int array and at state private var current number is 1. then well add a v stack here the list you have the list of four each going over numbers id of backslash dot self and then text row dollar zero and after the list well add a button saying add scroll down number well append to our numbers array the current number and then add one to current