# RECEXTRAEVENT This Keyword returns a *\*, when a voice command is recognized in Kalipso Voice with Nuance Engine. * It will have value **1** if it considers that the voice command was in fact an external event like a door slam or other type of noise. * It will have value **0** if it considers the voice command to be from user input. There are settings related to this in the **Voice Settings** screen that control how the application behaves when an External Event is detected. --- # 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://doc.sysdevmobile.com/kalipso5/developing/form/expressions/functions/functions-descriptions/keywords/recextraevent.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.