# SMS An SMS campaign enables you to interact with your customers via text. They have a lot in common with email campaigns, but text marketing campaigns are even more personal than email since text messages are something people use for communicating with their friends and family. --- # 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://support.growlytics.in/campaigns/campaigns-overview/sms.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.