# HtmlSupportDataSchemaDefinition

interface

A base definition of [data schema](module_html-support_dataschema-DataSchema.md).

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L234)

<a id="properties">

## Properties

<a id="member-isBlock">

### `isBlock?: boolean`

Indicates that the definition describes block element. Set by [`registerBlockElement`](module_html-support_dataschema-DataSchema.md#function-registerBlockElement) method.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L260)

<a id="member-isEmpty">

### `isEmpty?: boolean`

Indicates that the definition describes an empty HTML element like `<hr>`.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L270)

<a id="member-isInline">

### `isInline?: boolean`

Indicates that the definition describes inline element.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L265)

<a id="member-isObject">

### `isObject?: boolean`

Indicates that the definition describes object element.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L249)

<a id="member-model">

### `model: string`

Name of the model.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L239)

<a id="member-modelSchema">

### `modelSchema?: ModelSchemaItemDefinition`

The model schema item definition describing registered model.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L254)

<a id="member-view">

### `view?: string`

Name of the view element.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-html-support/src/dataschema.ts#L244)

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Full index of the CKEditor 5 API reference: [llms.txt](llms.txt)