# AddElement

## AddElement(IList, IValueGetter, ListInstanceType)

public IList AddElement(IList instance, IValueGetter container, ListInstanceType instanceType) ;

### Description

Add an container.

### Parameters

Parameter Name | Description
--- | ---
instance | Instance of type IList<elementType>
container | The container to add
instanceType | How to change the instance

### Returns

The resulting instance of the change