Optional
client_Optional
identityOptional
organization_(Optional) Organization ID – the ID of the Organization. If provided, organization parameters will be made available to the email template and organization branding will be applied to the prompt. In addition, the redirect link in the prompt will include organization_id and organization_name query string parameters.
user_id of the user to send the verification email to.
client_id of the client (application). If no value provided, the global Client ID will be used.