[Home](./index.md) > [@firebase/auth](./auth.md) > [SAMLAuthProvider](./auth.samlauthprovider.md) > [(constructor)](./auth.samlauthprovider._constructor_.md) ## SAMLAuthProvider.(constructor) Constructor. The providerId must start with "saml." Signature: ```typescript constructor(providerId: string); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | providerId | string | |