[Home](./index.md) > [@firebase/auth](./auth.md) > [RecaptchaVerifier](./auth.recaptchaverifier.md) > [type](./auth.recaptchaverifier.type.md) ## RecaptchaVerifier.type property The application verifier type. Signature: ```typescript readonly type = "recaptcha"; ``` ## Remarks For a reCAPTCHA verifier, this is 'recaptcha'.