[Home](./index.md) > [@digitalpersona/enrollment](./enrollment.md) > [TimeOtpEnroll](./enrollment.timeotpenroll.md) > [enrollSoftwareOtp](./enrollment.timeotpenroll.enrollsoftwareotp.md) ## TimeOtpEnroll.enrollSoftwareOtp() method Enrolls One-Time Password using a software TOTP (e.g. DigitalPersona app, Google Authenticator etc.) Signature: ```typescript enrollSoftwareOtp(code: string, key: Uint8Array, phoneNumber?: string): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | code | string | a verification code entered by a user. | | key | Uint8Array | a secret key used to "seed" an OTP generator. | | phoneNumber | string | a phone number the verification code was sent to | Returns: `Promise` a promise to perform the enrollment or reject in case of an error.