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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3999/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: 123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjJKN1V4R1hBY0RzalczTUNlRkhLdzlTMUJVZ3BHOWlVVFdGenloOXYyTVEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6IjM1Zjc4YjdkMTExNDIxMDY3MGVkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI0ODk2MDAsImV4cCI6MTc4MjQ4OTkwMCwianRpIjoiNzc1YWNhYzVkYjA3MTcxZmUwNTAifQ.NlYJwqRJcJF3ksGsn0eDpihFbZ-kgd-rs9fAsyWSR_dR2E4HkXkv5PJf57138nxI90kor45qrqbEF4oFujcsaDQWOvDTM-3uOhT15hIVkNt1IJHP96BgVNiFutZ1hmbTdLE4l4sIHQdn8P-hw1Jf5-VXF6ohSDIAmFZngHno5rk_wnt05FqvJMAYotrsD0F8lXu_0m1C8XyJ576Ky0O34PDj2e7LwKlFGrxNRFnvVAfvwWCZhl7DeDYLZZajiXua7eNPuvRuVrRLt110zGxsT2v2St5wobNdwgQsHeXkki3SSbAfdRZYFyKjMwvNarUk3oUJ1Y0nGZ-K-tPc_HLffg (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: 35f78b7d1114210670ed (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)