The following information is derived from the plugin description.

This sample plugin demonstrates how you can add custom formula functions using Java.

In the reports you can use formulas for complex operations. There is also a wide range of functions to do this. But sometime you need more functions that are specific to your application. This is possible by writing these functions in Java yourself.

Note: This plugin is a reporting sample that can be used as a starting point for custom implementation. You can download and install the plugin as is, but it is recommended to to download, unpack and check the content first. The plugin sample includes the source code as well as README files with further information and instructions. The sample plugin is also included in the SDKs.