# SMS Automation - [Getting Started with SMS in Retainful](https://help.retainful.com/sms-automation/getting-started-with-sms-in-retainful.md) - [How to Set Up SMS Marketing in Retainful](https://help.retainful.com/sms-automation/how-to-set-up-sms-marketing-in-retainful.md): Retainful allows you to engage with your customers through personalized SMS campaigns. This guide walks you through setting up SMS in your account and configuring it within your automation workflows. --- # 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://help.retainful.com/sms-automation.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.