[Home](./index.md) > [@empathyco/x-types](./x-types.md) > [isNumberRangeFacet](./x-types.isnumberrangefacet.md) ## isNumberRangeFacet() function Type guard to check if a facet is an [NumberRangeFacet](./x-types.numberrangefacet.md). **Signature:** ```typescript export declare function isNumberRangeFacet(facet: Facet): facet is NumberRangeFacet; ``` ## Parameters

Parameter	Type	Description
facet	[Facet](./x-types.facet.md)	The facet to check.

**Returns:** facet is [NumberRangeFacet](./x-types.numberrangefacet.md) True if the facet is a [NumberRangeFacet](./x-types.numberrangefacet.md), false otherwise.