# How-to - [Create a Firebase project for User Authentication](https://pango.gitbook.io/paas/resources/how-to/create-the-firebase-project-for-user-authentication.md) - [AWS CloudFront Distribution of the Platform URL](https://pango.gitbook.io/paas/resources/how-to/aws-cloudfront-distribution.md): How to avoid blockage of backend.northghost.com domain - [How can I get Shared Secret key from iTunes Connect for In-App Purchase](https://pango.gitbook.io/paas/resources/how-to/untitled.md): In the article further, we will talk about the shared secret key and the steps to get the shared secret key from iTunes Connect to control auto-renewal of in-app purchases in your applications --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://pango.gitbook.io/paas/resources/how-to.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.