# SplineList (.splx)

### Introduction

The .splx file format is an XML file that stores a list of Splines. For more information on using Splines in code, see the [Spline page](https://github.com/flatredball/FlatRedBallDocs/blob/main/frb/docs/index.php).

### Adding a SplineList file to Glue

To add a new SplineList file:

1. Create a Screen or Entity which will contain the SplineList file
2. Right-click on the Files item
3. Select "Add File"->"New file"
4. Select "Spline List (.splx)" as the file type
5. Click OK