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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2843/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: 456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im51WEM3Y2RTOVFCSFI1VkFuTUowdzlMc2E3WERjQmpYaXBJSTdmRmIwVFkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODQzLCJzdGF0ZV9ub25jZSI6IjU1YTc3YTcwOTUwODc0M2M1ZmE2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODQzIn0sImlzcyI6IlNCcm9ja3dheUVkbWVudHVtLVRvb2wiLCJzdWIiOiI0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTY0L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzIzMzg2OTYsImV4cCI6MTc3MjMzODk5NiwianRpIjoiYzU3M2Y5NjFjNGQ0NzY5MWI4NjkifQ.ATVBt_0wemegKtJwkhQwLwJkB7JqZXKeZP0_f_crlVEzXf5UVjKyDRyhG7NHFNjPUouxOSyIPcv7U2rbJA5JBz72tnyWl9sGKX--MRluTVLAGSfsU7PdW7a1Zl3I_Kb7OBRG7aFw0j2ptpG3oAjV66P1Qoz7UfyXUEgcLj_lncrBECkqk9BoI-MVJ4CnwNmvAzIlopu0h7OTeLlulBy5quocrhPVAFlK4zVE8gCIOb6Jn5Rtq1LbXCczwkTA4T2zCskf7T5GBj1ekiXv96YSF9Nk8cxzZs6K2qGGpvI6_4UW6ViGuCH3V0Jrn-4Oj1ty9ClbfwqGVQ_s0nFgVaOMyg (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: 55a77a709508743c5fa6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)