Whether you want to update the model from view model as soon as you type in the text field depends on your app. In the new article (link at the top of this article) I explained how you can validate view model on the click of the save/update button.

iOS Developer, speaker and educator. Top Udemy and LinkedIn instructor. Lead instructor at DigitalCrafts. https://www.udemy.com/user/mohammad-azam-2/

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