# 3.1 How to get Elements Data

Start the Plugin by click the following icon.

![Explorer Icon](https://2226931016-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LHDKT83ix-GRhZ_zoix%2Fuploads%2FUSgfCvnSSSy4PCWmyE03%2FParameter_Explorer_Icon.png?alt=media\&token=8026c38e-0d6b-4c8c-959a-6b2f3de86249)

1. If Revit Already have a selection, selection element will be process.
2. If not have selection on Revit, default setting is **Project** with **Instance** Element on Categories Selection.