---
id: fast-element.bindingbehavior
title: BindingBehavior class
hide_title: true
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[@microsoft/fast-element](./fast-element.md) &gt; [BindingBehavior](./fast-element.bindingbehavior.md)

## BindingBehavior class

A behavior that updates content and attributes based on a configured BindingDirective.

<b>Signature:</b>

```typescript
export declare class BindingBehavior implements Behavior 
```

## Constructors

|  Constructor | Modifiers | Description |
|  --- | --- | --- |
|  [(constructor)(target, binding, isBindingVolatile, bind, unbind, updateTarget, targetName)](./fast-element.bindingbehavior._constructor_.md) |  | Creates an instance of BindingBehavior. |

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [bind](./fast-element.bindingbehavior.bind.md) |  | typeof normalBind | Bind this behavior to the source. |
|  [unbind](./fast-element.bindingbehavior.unbind.md) |  | typeof normalUnbind | Unbinds this behavior from the source. |
