## Constructor: documentAttributeSticker ### Attributes: | Name | Type | Required | |----------|:-------------:|---------:| |mask|[Bool](../types/Bool.md) | Optional| |alt|[string](../types/string.md) | Required| |stickerset|[InputStickerSet](../types/InputStickerSet.md) | Required| |mask\_coords|[MaskCoords](../types/MaskCoords.md) | Optional| ### Type: [DocumentAttribute](../types/DocumentAttribute.md) ### Example: ``` $documentAttributeSticker = ['mask' => Bool, 'alt' => string, 'stickerset' => InputStickerSet, 'mask_coords' => MaskCoords, ]; ```