# Trace ## Description Add a tracer to a moving layer ## Setup 1. Select one or more layers and properties you'd like to add a Trace to. 2. Run the Trace tool 3. Modify the Tracer Effect Controls if you want to tweak the effect ## Effect Controls **Tracer**\ Built-in effect controls for the Tracer effect --- # 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://motion-studio.mtmograph.com/ae-extension/tools/trace.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.