[Home](./index.md) > [@digitalpersona/core](./core.md) > [BioSample](./core.biosample.md) ## BioSample class A biometric sample. Signature: ```typescript export declare class BioSample ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(Header, Data)](./core.biosample.(constructor).md) | | Constructs a new instance of the BioSample class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [Data](./core.biosample.data.md) | | Base64UrlString | Base64url encoded biometric sample data | | [Header](./core.biosample.header.md) | | BioSampleHeader | Biometric sample header. | | [Version](./core.biosample.version.md) | | | A version info. |