---
metadata:
  - name: generator
    content: Diplodoc Platform v5.39.1
alternate:
  - https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IDataManager.md
  - https://yandex.com.tr/dev/jsapi-v2-1/doc/ru/v2-1/ref/reference/IDataManager.md
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com.tr/dev/jsapi-v2-1/doc/en/llms.txt

# IDataManager

Extends [IEventEmitter](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IEventEmitter.md).

Interface for the custom data manager.

[Constructor](#constructor-summary) | [Fields](#properties-summary) | [Events](#events-summary) | [Methods](#methods-summary)

## Constructor {#constructor-summary}

```javascript
IDataManager()
```

## Fields {#properties-summary}

#|
|| **Name** | **Type** | **Description** ||
|| [events](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IEventEmitter.md#events) | [IEventManager](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IEventManager.md) | Event manager.

Inherited from [IEventEmitter](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IEventEmitter.md#events). ||
|#

## Events {#events-summary}

#|
|| **Name** | **Description** ||
|| [change](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IDataManager.md#event-change) | Data change. ||
|#

## Methods {#methods-summary}

#|
|| **Name** | **Returns** | **Description** ||
|| [get](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IDataManager.md#get)([path](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IDataManager.md#get-param-path), [defaultValue](https://yandex.com.tr/dev/jsapi-v2-1/doc/en/v2-1/ref/reference/IDataManager.md#get-param-defaultValue)) | Object | Returns value of data fields. ||
|#

## Events details {#event_detail}

### change {#change}

Data change.

## Methods details {#method_detail}

### get {#get}

```javascript
{Object} get(path, defaultValue)
```

**Returns** value of data fields.

**Parameters:**

#|
|| **Parameter** | **Default value** | **Description**  ||
|| [`path`](#get-param-path)[*](*star) | — | Type: String

String with the property name; can contain '.'. ||
|| [`defaultValue`](#get-param-defaultValue)[*](*star) | — | Type: Object

Default value. ||
|#

\* Mandatory parameter/option.

**Example:**

```javascript
dataManager.get("icon.shadow.size", [10, 10]);
```

[*star]: Mandatory parameter/option.