---
title: "Interface: IUserChanges | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/reference/design-editor-iframe/interfaces/Editor.Editor.IUserChanges/"
---

# Interface: IUserChanges

> A structure containing all changes the user made to the product when personalizing it.

## Example

``` js
// Completing product customization.
let renderingResult = await editor.finishProductDesign()
    // If an error occurred while completing product customization.
    .catch(error => console.error("Completing product customization failed with exception: ", error));

// When product customization has been completed successfully, get the promise properties.
let stateId = renderingResult.stateId;
let userId = renderingResult.userId;
let userChanges = renderingResult.userChanges;
console.log("Text user changes: ", userChanges.texts);
```

## Properties

### texts

> **texts**: `object`[]

An array of texts entered by the user in text elements. For each text element, which was changed by the user, the corresponding object contains its name and new value.

#### name

> **name**: `string`

A name of the text element.

#### usersValue

> **usersValue**: `string`

A new value of the text element.

#### isNewItem

> **isNewItem**: `boolean`

Defines whether the user added this text element to the canvas. This property is `true` for new elements and `false` for changed elements.

#### isRemovedItem?

> `optional` **isRemovedItem?**: `boolean`

Defines whether the user removed this text element from the canvas. This property is `true` for removed elements and `false` for changed elements.

***

### inStringPlaceholders

> **inStringPlaceholders**: `object`[]

An array of texts entered by the user in text placeholders. For each text placeholder, which was changed by the user, the corresponding object contains its name and new value.

#### name

> **name**: `string`

A name of the in-string placeholder.

#### usersValue

> **usersValue**: `string`

A new value of the in-string placeholder.

***

### mockups

> **mockups**: `object`

An object containing array of mockups that the user set up. For each mockup, which was applied to a surface, the corresponding object contains the surface and mockup names.

#### Index Signature

\[`surfaceName`: `string`\]: `string`

The name of a mockup defined for a surface.

***

### surfaces

> **surfaces**: [`ISurfacesChanges`](https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/reference/design-editor-iframe/interfaces/Editor.Editor.ISurfacesChanges.md)

An object containing user changes on a per-surface basis. Each surface, where the user changes text elements, has `texts` and `inStringPlaceholders` arrays with the element name and new value.