# Merge tags Merge tags are used to substitute dynamic values in messages. They can be used within the editor for Visitor Flows. ### Available tags ``` big_picture_industry big_picture_industry_group clearbit_industry clearbit_industry_group clearbit_sub_industry country utm_source company_name ``` ### Usage Use the following syntax: `{{ country | "Earth" }}` --- # 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://docs.salesmonk.ai/visitor-flows/merge-tags.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.