response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4431/launches (required, This URI must exactly match a value pre-registered with the platform)

response_mode: form_post (required, tools and platforms must support a value of form_post)

client_id: tool123 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ilk5RVliSUVHMlNNeVM1anV1SDVveVNLQTNrTEd1dGtuaFJDbzY0RXA2ZWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDMxLCJzdGF0ZV9ub25jZSI6IjZlMDQzOTg5YzM1NWRlNDYzNmY2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDMxIn0sImlzcyI6ImhlbGxvdG9vbDEyMyIsInN1YiI6InRvb2wxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTE4L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzUwOTg2ODQsImV4cCI6MTc3NTA5ODk4NCwianRpIjoiODMxOTlkMTE3MjU2OWZiYzA4NTQifQ.sZNbML7v37arH1Yf3PBWmM-YRbdxX9JEoYpn1LaWGgEQnlJbOd41RGpVM9c3_tdZypspNquLf8q6_-hW2fLrE6khKBMaLwzm15BUAavHc_gPtS2RquMoRL2UWAqc5_vX6Nw5rezaKi9InOYhuzKsuJ2tTbLZXsNBlkqpmK8PtjZ7sImYC89jqZEuo2F87q6sgOluxmyXhRwwZC68rbwrTw5-P_-jboZL6VS1NIGjC1hKm6ZIi6HtpuVUlsZpU_NuKbHonAyZ2H7k0ZM_VSBHmQQkMQD4nJTmeKbAOIjfAwnf1u_OIXl0cd6LR7fuoazd9AgdcnVapqb-elX4scOHEg (required, opaque value used to maintain state between the request and the callback)

login_hint: (required, tools and platforms must support a value of form_post)

lti_message_hint: (required, a platform opaque identifier identifying the user to login)

prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)

nonce: 6e043989c355de4636f6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)