# Generated by API Evangelist (build-phrasing.py). Our phrasing, not observed demand. overlay: 1.0.0 info: title: API Evangelist conversational phrasing for Commerce Customer REST endpoints - All inclusive… version: 1.0.0 extends: openapi/adobe-suite-tfa-provider-u2fkey-authentication-challenge-api-openapi.yml actions: - target: $.info update: x-apievangelist-phrasing: method: generated generated: '2026-09-26' generator: build-phrasing.py label: Generated by API Evangelist operations: 1 - target: $.paths['/V1/tfa/provider/u2fkey/authentication-challenge'].post update: x-apievangelist-phrasing: intent: Start a U2F security key challenge effect: write questions: - What WebAuthn challenge data do I need before signing in with a security key? - What credentials does the U2F key challenge need? instructions: - text: Request a U2F key challenge for user {username} with password {password}. slots: username: requestBody.username password: requestBody.password - text: Get the WebAuthn challenge for {username} so I can tap my security key. slots: username: requestBody.username method: generated generated: '2026-09-26'