How to: Add and remove items to SharePoint features
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
When you create a SharePoint solution, Visual Studio adds the default SharePoint project items to your Feature. Before deployment, you can add and remove SharePoint project items to modify the SharePoint Feature.
Add SharePoint project items to a feature
To add SharePoint project items with the Feature Designer
Open the Feature Designer.
For more information, see How to: Customize a SharePoint feature.
Add one or more items from the Items in the Solution list to the Items in the Feature list by performing one or more of the following steps:
Double-click each item that you want to add.
Choose an item that you want to add, and then choose the Add button (>).
Choose the Add All button (>>).
The SharePoint Project Items appear in the Items in the Feature list.
Remove SharePoint project items from a feature
To remove SharePoint items with the Feature Designer
Choose one or more items in the Items in the Feature list.
Choose the Remove button (<) to remove one item at a time, or choose the Remove All button (<<) to remove all items.
The SharePoint Project Items appear in the Items in the Solution list.