In Powerapp app, I have screen,which contain
1 : "text input", to enter CityName
2 : When I click on Clear button, How can I clear value of text input ?
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Solution
step 1 : let text input name is "txtCity" and set it's Default property to ""
step 2 : set OnSelect event of button to Reset(txtCity)
That would be one way of resetting, there are other ways to solve it too. By assigning a variable to TextInput's default property and setting that variable to "" or any other default value you want based on the scenario. How and when to use reset can be found here: https://learn.microsoft.com/sl-si/powerapps/functions/function-reset