# Distinct<T, U> Method
Enumerates distinct items in this collection as defined by the key *property*.
## Definition
**Namespace:** CapyKit.Extensions
**Assembly:** CapyKit (in CapyKit.dll) Version: 1.0.0
**C#**
``` C#
public static IEnumerable Distinct(
this IEnumerable items,
Func property
)
```
**F#**
``` F#
[]
static member Distinct :
items : IEnumerable<'T> *
property : Func<'T, 'U> -> IEnumerable<'T>
```
#### Parameters
- IEnumerable(T)
- The items to act on.
- Func(T, U)
- The property.
#### Type Parameters
- Generic type parameter of the parent object.
- Generic type parameter property value.
#### Return Value
IEnumerable(T)
An enumerator that allows foreach to be used to process distinct items in this collection.
#### Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable(T). When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).
## See Also
#### Reference
LINQExtensions Class
CapyKit.Extensions Namespace