# Widget Component
Base class for all standard and custom form widgets. All widgets must extend this class.
## Basic Usage
```ts
import { Component } from '@angular/core';
import { WidgetComponent } from '@alfresco/adf-core';
@Component({
    selector: 'custom-editor',
    template: `
        
Look, I'm a custom editor!
    `
})
export class CustomEditorComponent extends WidgetComponent {}
```
## Class members
### Properties
| Name  | Type  | Default value | Description |
|-------|-------|---------------|-------------|
| field | `any` |               | field.      |
### Events
| Name         | Type                | Description   |
|--------------|---------------------|---------------|
| fieldChanged | `EventEmitter` | fieldChanged. |
## Details
The `WidgetComponent` is the base class for all standard and custom form widgets.
See the [Form Extensibility and Customisation](../../user-guide/extensibility.md) page for full details about
implementing custom widgets.
## See also
-   [Extensibility](../../user-guide/extensibility.md)