> For the complete documentation index, see [llms.txt](https://docs.intrepidcs.com/vspy-3-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.intrepidcs.com/vspy-3-documentation/vehicle-spy-tutorials/tutorial-basics-of-capture-function-block-and-graphical-panels.md).

# Tutorial: Basics of Capture Function Block and Graphical Panels

### Overview

This tutorial will cover how to build and use a Capture Function Block. It will alsocover how to build a Graphical Panel to control the Capture Function Block. The Capture Function Block is very flexible and can be used in a number of ways. For the sake of simplicity only one method will be covered. You will also learn how to build a simple graphical panel with buttons to manually save the data captured by the Capture Function Block.


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