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.eyJ0b29sX2lkIjo0OTgwLCJzdGF0ZV9ub25jZSI6ImMxYzI3N2FiMDBhMjQ1NTJmNzNkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTgwIn0sImlzcyI6IkdSIEx0aSBUb29sIiwic3ViIjoiZ3ItaW1zLWx0aSIsImF1ZCI6Imh0dHBzOi8vbHRpLmlubm92YW5vLmNvbS9wdWJsaWMvcGxhdGZvcm0vdG9rZW4iLCJpYXQiOjE3NjYxNTE2MzEsImV4cCI6MTc2NjE1MTkzMSwianRpIjoiYzBlMDc3YjcyMmQ3NDc1NjMzNDEifQ.VanlsCO_DpcHuL_51DF4zJfBe-soFhTdUemwpuFiS6SINTq_oWJ_ZyI5X8Tp7-AsCQD57erVyFS8XmBh61lMjJjOCTw3yczpklq_uotbSqxe5Q3rGDbUnQRC_3OSC5rqMbK0jo9BEltdyGG9GpvRqUtzNlRRzWkBJeOHVEXSXXTobuj38VlNUgW5KWrNV3afDDsXyYGPXC1jLtQor8-7pEtPlrsb3fC5l5WXF8rfW6SK4iH2wzzcJ4iPPnz4xOLNcvw7YThyDFmwVNjLFs_3qSoEfpVHNwbSBtBZbM5iDP0QPtLkh1cAVknnf8VOJm0ByRbBohe1RhBlwfoRz8bKpw (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: c1c277ab00a24552f73d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)