[Home](./index.md) > [@digitalpersona/core](./core.md) > [Credential](./core.credential.md) > [(constructor)](./core.credential.(constructor).md) ## Credential.(constructor) Constructs a credential. Signature: ```typescript constructor(id: CredentialId, data?: string | object | null, encode?: boolean); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | id | CredentialId | | | data | string | object | null | | | encode | boolean | |