> For the complete documentation index, see [llms.txt](https://cookbook.denovolab.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cookbook.denovolab.com/your-first-call-with-class-4-fusion/simulate-your-call.md).

# Simulate Your Call

Before you start making your first calls, you can use Call Simulation to test out the routing to check if it is configured correctly. 

Call Simulation can be found in Tools > Call Simulation. 

![](https://4102392624-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXPCJcszvw7MAuHjiRr%2F-MZq9g_WyZtR4lxi2Grq%2F-MZqB443pq-zO9LIqSRW%2Fimage.png?alt=media\&token=79c2d899-3ed6-4f0e-82af-1ea9a1eb371a)