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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4980/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: gr-ims-lti (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlJvQXczZ2Iwem9CN2VwbHNLZlZuUUxDekRhdXozd29ZbzRQQVlDeUpHZWsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTgwLCJzdGF0ZV9ub25jZSI6ImFkNGVhOGUzNWViODFkY2Q0YTc0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTgwIn0sImlzcyI6IkdSIEx0aSBUb29sIiwic3ViIjoiZ3ItaW1zLWx0aSIsImF1ZCI6Imh0dHBzOi8vbHRpLmlubm92YW5vLmNvbS9wdWJsaWMvcGxhdGZvcm0vdG9rZW4iLCJpYXQiOjE3NzA3OTk0NzYsImV4cCI6MTc3MDc5OTc3NiwianRpIjoiYjE3ODJjNjM4NmRjOWZkNTM1NWYifQ.1lJLov52EWzyhsefcDqFdFxHglge9hu7H8QVhr7xE1XMi6T9Edt3l4DqdIZf4NfuLpImI7tpwf6-5iGtapr2R8j1JI7ncj4kIUjuvBFPG_JQJU28ktvNUao1mL5wUmNcGksZdzWkcLCVnJc-UcNyHJWdYMwpAtBSanc-lRqV92v2DoLkuaxU_8npAIXYkrLKXwh7Is-OUe10jmRo__ZXHvgiDAeC8M-m3oYSy1gRG_6aO_dcWgJpCK_UsdTB8P6GB65Q7MUzxuXtca8lgVEbZPvNveu0W_TYNvmUM9LPoxPLiYbEjECs7YmPLba2KtSdvlcZvfTk6gi5n0ObUjnNwQ (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: ad4ea8e35eb81dcd4a74 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)