How to use in apl billing system in any button please help me

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[Guide] In-App Billing

This is a complete guide for all those koders who want to integrate In-App billing in their project Note : I used billing extension made by @Taifun STEP 1 : Prepare everything A. All you need is a Google Play Console, with your merchant account activated !! B. Select the app in which you want to integrate in-app billing. C. Choose In-app products under Monetise section [Capture] D. Click on Create Product [Capture1] E. Enter name of your product, for an example - product1, produ…

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