---
description: "Learn more about: back_inserter Function"
title: "back_inserter Function"
ms.date: "12/30/2016"
f1_keywords: ["collection/Windows::Foundation::Collections::back_inserter"]
helpviewer_keywords: ["back_inserter Function"]
ms.assetid: 91476338-5548-44b7-bc7e-2150f4fbe31a
---
# back_inserter Function

Returns an iterator that is used to insert elements at the end of the specified collection.

## Syntax

```

template <typename T>
Platform::BackInsertIterator<T>
    back_inserter(IVector<T>^ v);

template<typename T>
Platform::BackInsertIterator<T>
   back_inserter(IObservableVector<T>^ v);
```

#### Parameters

*T*<br/>
A template type parameter.

*v*<br/>
An interface pointer that provides access to the underlying collection.

### Return Value

An iterator.

### Requirements

**Header:** collection.h

**Namespace:** Windows::Foundation::Collections

## See also

[Windows::Foundation::Collections Namespace](../cppcx/windows-foundation-collections-namespace-c-cx.md)