Using oauth api

thank you very much for your working . Please help me. I'm working to do an app that contain oauth api. How can i get access token. There is no block in your https://puravidaapps.com/oauth.php page. Please help:(

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in addition i have an client id and secret

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read the large green box on the bottom of that page https://puravidaapps.com/oauth.php about how to get the source code. thank you.

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