# CKBoxImageUrls

interface

The source set of the responsive image provided by the CKBox backend.

Each numeric key corresponds to display width of the image.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-ckbox/src/ckboxconfig.ts#L438)

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## Properties

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### `[width: number]: string`

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-ckbox/src/ckboxconfig.ts#L439)

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### `default: string`

A fallback URL for browsers that do not support the "webp" format.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-ckbox/src/ckboxconfig.ts#L444)

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