# Action Button You can set the action to be executed by the user by placing the action as an action button on the sheet footer. For details on how to arrange action buttons, see "[Changing Sheet Setting](/mashmatrix-sheet/functions_about_books_sheets/change_sheet_setting.md)" in the ["Functions about Books / Sheets"](/mashmatrix-sheet/functions_about_books_sheets.md) chapter. --- # 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.mashmatrix.com/mashmatrix-sheet/functions_about_actions/action_button.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.