## DocumentProperty class

Represents a custom or built-in document property.

```javascript
class DocumentProperty;
```


### Example
```javascript
const { Workbook } = AsposeCells;

//Instantiate a Workbook object
var workbook = new Workbook(data);
//Retrieve a list of all custom document properties of the Excel file
var customProperties = workbook.worksheets.customDocumentProperties;
//Accessng a custom document property by using the property index
var customProperty1 = customProperties.get(3);
//Accessng a custom document property by using the property name
var customProperty2 = customProperties.get("Owner");
```
## Properties

| Property | Type | Description |
| --- | --- | --- |
| [name](#name--)| string | Readonly. Returns the name of the property. |
| [value](#value--)| VObject | Gets or sets the value of the property. |
| [isLinkedToContent](#isLinkedToContent--)| boolean | Readonly. Indicates whether this property is linked to content |
| [source](#source--)| string | Readonly. The linked content source. |
| [type](#type--)| PropertyType | Readonly. Gets the data type of the property. |
| [isGeneratedName](#isGeneratedName--)| boolean | Readonly. Returns true if this property does not have a name in the OLE2 storage and a unique name was generated only for the public API. |

## Methods

| Method | Description |
| --- | --- |
| [toInt()](#toInt--)| Returns the property value as integer. |
| [toDouble()](#toDouble--)| Returns the property value as double. |
| [toDateTime()](#toDateTime--)| Returns the property value as DateTime in local timezone. |
| [toBool()](#toBool--)| Returns the property value as bool. |
| [toString()](#toString--)| Returns the property value as a string. |


### name {#name--}

Readonly. Returns the name of the property.

```javascript
name : string;
```


### value {#value--}

Gets or sets the value of the property.

```javascript
value : VObject;
```


### isLinkedToContent {#isLinkedToContent--}

Readonly. Indicates whether this property is linked to content

```javascript
isLinkedToContent : boolean;
```


### source {#source--}

Readonly. The linked content source.

```javascript
source : string;
```


### type {#type--}

Readonly. Gets the data type of the property.

```javascript
type : PropertyType;
```


### isGeneratedName {#isGeneratedName--}

Readonly. Returns true if this property does not have a name in the OLE2 storage and a unique name was generated only for the public API.

```javascript
isGeneratedName : boolean;
```


### toInt() {#toInt--}

Returns the property value as integer.

```javascript
toInt() : number;
```


**Remarks**

Throws an exception if the property type is not PropertyType.Number.

### toDouble() {#toDouble--}

Returns the property value as double.

```javascript
toDouble() : number;
```


**Remarks**

Throws an exception if the property type is not PropertyType.Float.

### toDateTime() {#toDateTime--}

Returns the property value as DateTime in local timezone.

```javascript
toDateTime() : Date;
```


**Remarks**

Throws an exception if the property type is not PropertyType.Date.

### toBool() {#toBool--}

Returns the property value as bool.

```javascript
toBool() : boolean;
```


**Remarks**

Throws an exception if the property type is not PropertyType.Boolean.

### toString() {#toString--}

Returns the property value as a string.

```javascript
toString() : string;
```


**Remarks**

Converts a number property using Object.ToString(). Converts a boolean property into "Y" or "N". Converts a date property into a short date string.