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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4406/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: client123 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlhpclllcGk3UVJGOXVyNV96eGRFaXZLWG4tWDhXMGlzWml6M2tlNUtZVDAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDA2LCJzdGF0ZV9ub25jZSI6ImM0Yzk1Y2EyYWExYTAyNTdhZGQ2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDA2In0sImlzcyI6InRvb2xfb256aW4xMjMiLCJzdWIiOiJjbGllbnQxMjMiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTA0L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODc2MTI0NDEsImV4cCI6MTc4NzYxMjc0MSwianRpIjoiNDZlODlkZTNhYmJjZDc5YjJmMGMifQ.ZYQ56KrhfyNGZns8LdlJACvGSE6hgYFSdsJSbt5I5onIT9oOdZGaCwh7xISWMxuYFcWIfuGB6d_zVXv7a9sePG9KrhdiLV8EJzQB_E8nE6lDZPGI6w-zAb4sKL80fx1MUl3u9gnidyqOyWN8Dzi9pe6cV_IrgzWrk9ZLA48LPnACgWcVrcOBtzcWcLWRWOHcCL1q4S-JXg39WGjWrLlL-rbysKNQqEqtY2qyEIAngmBfQXIRDzCzYzDKt06Dr6YbSJdB8FJ45DWs4GKNt4lfnLckG60mqwJnnDvUShArnx1_69POoJZSdGMc2pw5kt4QQaU34zGF79zNMPvFREUNqA (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: c4c95ca2aa1a0257add6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)