# Callback Verifications Instruction

- [How to Verify App Installs with Callback Verification](https://doc.giveaway.com/project-partner-tutorial/other-faq/tasks/callback-verifications-instruction/how-to-verify-app-installs-with-callback-verification.md): Enable callback verification to automatically verify if users really downloaded the app. Only participants who have downloaded the app are able to complete this task.
- [How to Verify Custom Reward From Your Website with Callback Verification](https://doc.giveaway.com/project-partner-tutorial/other-faq/tasks/callback-verifications-instruction/how-to-verify-custom-reward-from-your-website-with-callback-verification.md): Create a Custom Reward with auto-distribute any rewards you want to share with the winner.
- [How to Verify the User/Player/VIP Level Requirement on Your Website with Callback Verification](https://doc.giveaway.com/project-partner-tutorial/other-faq/tasks/callback-verifications-instruction/how-to-verify-the-user-player-vip-level-requirement-on-your-website-with-callback-verification.md): With this Level Requirement task, you can create giveaways only available for eligible users who meet the level requirements, and participants
- [How to Set and Verify Custom App Actions with Callback Verification](https://doc.giveaway.com/project-partner-tutorial/other-faq/tasks/callback-verifications-instruction/how-to-set-and-verify-custom-app-actions-with-callback-verification.md): Utilize callback verification to automatically verify whether users have taken any actions within the app.
- [How to Verify Actions on Your Website with Callback Verification](https://doc.giveaway.com/project-partner-tutorial/other-faq/tasks/callback-verifications-instruction/how-to-verify-actions-on-your-website-with-callback-verification.md): If you host a giveaway, you might want to learn how to optimize the performance of your campaign, and gain leads and traffic.


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