# Channel Mapping - [Overview & Setup](https://help.daasity.com/core-concepts/custom-data-and-enrichment/custom-attributes/e-commerce/channel-mapping/overview-and-setup.md): The Channel Mapping tab in your BSD Sheet allows you to map how your Sessions, Sales etc. are Attributed; changing how Google Analytics has attributed them. - [Filling out Channel Mapping](https://help.daasity.com/core-concepts/custom-data-and-enrichment/custom-attributes/e-commerce/channel-mapping/filling-out-channel-mapping.md): Please see Video below on filling out channel mapping - [Missing from GA & Missing from BSD](https://help.daasity.com/core-concepts/custom-data-and-enrichment/custom-attributes/e-commerce/channel-mapping/missing-from-ga-and-missing-from-bsd.md): You may see "Missing From GA" as an Attribution label when looking at Channel Attribution Data. --- # 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.daasity.com/core-concepts/custom-data-and-enrichment/custom-attributes/e-commerce/channel-mapping.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.