## WebExtension class

Represents an Office Add-in instance.

```javascript
class WebExtension;
```


## Properties

| Property | Type | Description |
| --- | --- | --- |
| [id](#id--)| string | Gets and sets the uniquely identifies the Office Add-in instance in the current document. |
| [isFrozen](#isFrozen--)| boolean | Indicates whether the user can interact with the Office Add-in or not. |
| [reference](#reference--)| WebExtensionReference | Readonly. Get the primary reference to an Office Add-in. |
| [alterReferences](#alterReferences--)| WebExtensionReferenceCollection | Readonly. Gets a list of alter references. |
| [properties](#properties--)| WebExtensionPropertyCollection | Readonly. Gets all properties of web extension. |
| [bindings](#bindings--)| WebExtensionBindingCollection | Readonly. Gets all bindings relationship between an Office Add-in and the data in the document. |

## Methods

| Method | Description |
| --- | --- |
| [getId()](#getId--)| <b>@deprecated.</b> Please use the 'id' property instead. Gets and sets the uniquely identifies the Office Add-in instance in the current document. |
| [setId(string)](#setId-string-)| <b>@deprecated.</b> Please use the 'id' property instead. Gets and sets the uniquely identifies the Office Add-in instance in the current document. |
| [isFrozen()](#isFrozen--)| <b>@deprecated.</b> Please use the 'isFrozen' property instead. Indicates whether the user can interact with the Office Add-in or not. |
| [setIsFrozen(boolean)](#setIsFrozen-boolean-)| <b>@deprecated.</b> Please use the 'isFrozen' property instead. Indicates whether the user can interact with the Office Add-in or not. |
| [getReference()](#getReference--)| <b>@deprecated.</b> Please use the 'reference' property instead. Get the primary reference to an Office Add-in. |
| [getAlterReferences()](#getAlterReferences--)| <b>@deprecated.</b> Please use the 'alterReferences' property instead. Gets a list of alter references. |
| [getProperties()](#getProperties--)| <b>@deprecated.</b> Please use the 'properties' property instead. Gets all properties of web extension. |
| [getBindings()](#getBindings--)| <b>@deprecated.</b> Please use the 'bindings' property instead. Gets all bindings relationship between an Office Add-in and the data in the document. |
| [isNull()](#isNull--)| Checks whether the implementation object is null. |


### id {#id--}

Gets and sets the uniquely identifies the Office Add-in instance in the current document.

```javascript
id : string;
```


### isFrozen {#isFrozen--}

Indicates whether the user can interact with the Office Add-in or not.

```javascript
isFrozen : boolean;
```


### reference {#reference--}

Readonly. Get the primary reference to an Office Add-in.

```javascript
reference : WebExtensionReference;
```


### alterReferences {#alterReferences--}

Readonly. Gets a list of alter references.

```javascript
alterReferences : WebExtensionReferenceCollection;
```


### properties {#properties--}

Readonly. Gets all properties of web extension.

```javascript
properties : WebExtensionPropertyCollection;
```


### bindings {#bindings--}

Readonly. Gets all bindings relationship between an Office Add-in and the data in the document.

```javascript
bindings : WebExtensionBindingCollection;
```


### getId() {#getId--}

<b>@deprecated.</b> Please use the 'id' property instead. Gets and sets the uniquely identifies the Office Add-in instance in the current document.

```javascript
getId() : string;
```


### setId(string) {#setId-string-}

<b>@deprecated.</b> Please use the 'id' property instead. Gets and sets the uniquely identifies the Office Add-in instance in the current document.

```javascript
setId(value: string) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| value | string | The value to set. |

### isFrozen() {#isFrozen--}

<b>@deprecated.</b> Please use the 'isFrozen' property instead. Indicates whether the user can interact with the Office Add-in or not.

```javascript
isFrozen() : boolean;
```


### setIsFrozen(boolean) {#setIsFrozen-boolean-}

<b>@deprecated.</b> Please use the 'isFrozen' property instead. Indicates whether the user can interact with the Office Add-in or not.

```javascript
setIsFrozen(value: boolean) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| value | boolean | The value to set. |

### getReference() {#getReference--}

<b>@deprecated.</b> Please use the 'reference' property instead. Get the primary reference to an Office Add-in.

```javascript
getReference() : WebExtensionReference;
```


**Returns**

[WebExtensionReference](../webextensionreference/)

### getAlterReferences() {#getAlterReferences--}

<b>@deprecated.</b> Please use the 'alterReferences' property instead. Gets a list of alter references.

```javascript
getAlterReferences() : WebExtensionReferenceCollection;
```


**Returns**

[WebExtensionReferenceCollection](../webextensionreferencecollection/)

### getProperties() {#getProperties--}

<b>@deprecated.</b> Please use the 'properties' property instead. Gets all properties of web extension.

```javascript
getProperties() : WebExtensionPropertyCollection;
```


**Returns**

[WebExtensionPropertyCollection](../webextensionpropertycollection/)

### getBindings() {#getBindings--}

<b>@deprecated.</b> Please use the 'bindings' property instead. Gets all bindings relationship between an Office Add-in and the data in the document.

```javascript
getBindings() : WebExtensionBindingCollection;
```


**Returns**

[WebExtensionBindingCollection](../webextensionbindingcollection/)

### isNull() {#isNull--}

Checks whether the implementation object is null.

```javascript
isNull() : boolean;
```