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.eyJ0b29sX2lkIjo0OTgwLCJzdGF0ZV9ub25jZSI6IjI1MzQwYjI1MzMwYmNjZTM2ZDE1IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTgwIn0sImlzcyI6IkdSIEx0aSBUb29sIiwic3ViIjoiZ3ItaW1zLWx0aSIsImF1ZCI6Imh0dHBzOi8vbHRpLmlubm92YW5vLmNvbS9wdWJsaWMvcGxhdGZvcm0vdG9rZW4iLCJpYXQiOjE3NzY1OTYxNDEsImV4cCI6MTc3NjU5NjQ0MSwianRpIjoiZDA5Y2RkMTI1NDVmZTNmYzZjM2YifQ.pRzxmuKV1IRU-ob1IzWvp88_Jb15kCM3immP0Mq1HnfUQ-uffX52OE0AoEJikEbHyxAAVSZa_cSXrt-xAuLgfep_dSvQ3gdXkxN4XQ8uv2itl3wxg_P8nY3Fki97e3PUiZKfwwxJ1ka7LoyQWgdR1_ltaU7KcXa7Z9EYcGCND6tbIw7ZYXCsY5otbDrzzOBqwFKAToXCffgy3VIIKfdB6lQrmE8HPN37CaZ4xnu0BnLU-d9n1jcuDc7Tawws1ncVmBnrxjjzdo_NKl2NhOHeQhWKimfMMIk2iY10s8M5JQ2HZEC4nh4ta_eSqtjFDYfF7tqEkQHEuraOcar90UYeKQ (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: 25340b25330bcce36d15 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)