# Every feature - [Clients](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/clients.md) - [Products](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/products.md) - [Invoices](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/invoices.md) - [Invoice Profile Content](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/invoices/invoice-profile-content.md): Customize the profile content in the invoices - [How to attach PDF to invoice](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/invoices/how-to-attach-pdf-to-invoice.md): Here you can learn how to attach PDF documents to your invoices, if you send out via e-mail - [Expenses](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/expenses.md) - [Quotes](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/quotes.md) - [Accept online payments](https://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature/accept-online-payments.md): You can accept online payments, to get your money faster. This takes 1 minute to setup. --- # 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://bizxpert.gitbook.io/bizxpert/tutorials-and-f.a.q./every-feature.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.