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State value generated for each session. You can retrieve it from window.PlusAuth.params.state.

Required if no identifier passed or when identifier is email

Field name to look up user. Make sure to include it in request body. For ex: If identifier=email also include email field in request body with the user's email address.

If method is sms defaults to phone_number, otherwise, defaults to email

Required if identifier is phone_number or when identifier is phone_number

Required if identifier is username or when identifier is username