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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2385/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: OPE_mexcbt_chiba (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjdtWnBXSk14Z2hjX3VqOG1tZ1NpcC14NTJBSDNyR1gwWWdfaFNUY3ZJQ3ciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMzg1LCJzdGF0ZV9ub25jZSI6Ijg5ZThlYTA3NTIyYmFmMGUxMGQ2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMzg1In0sImlzcyI6IjIwMjExMGtleWNsb2FrdGVzdCIsInN1YiI6Ik9QRV9tZXhjYnRfY2hpYmEiLCJhdWQiOiJodHRwczovL3B0LWFzLm9wZXN5c3RlbS5jb20vYXV0aC9yZWFsbXMvcHQtb3BlLXByb2QtY29tbW9uLWtleWNsb2FrLXJlYWxtLTEvcHJvdG9jb2wvb3BlbmlkLWNvbm5lY3QvdG9rZW4iLCJpYXQiOjE3ODI0MzUxNzksImV4cCI6MTc4MjQzNTQ3OSwianRpIjoiMTU2YmY4MDBmNjk1MTA4MzgwNGMifQ.h5MiBjfalb6wGYDz48t35zRTJcrMGum7oIvH2H-m_1WL3_8by_knpaxF1BbV9Rvh5IJQb8QXJu6oKZhTDcKp9o_-0ndS7hAPDCUpUpx1pJAvBeTjfSdUZlzFuUbowueSbzNRr8Tl7gksdriIs8N9YHGZMvys7mwdqWoD1bKgcOpAki8O0frZPtsdiXyieTx5Tz3koXCRdspivLvIuR9ggXhllmTmtxRrIr-YY7ZX2UO8TohbxgJsLyTgmKlQgz23joaxLhWAixnDQ_l0ikAreZ4cZcUGV_hOlAW0SMyd1Z_Dhh5bNHS_RyZWeMMa4ygxJOcMSqBZXgLiI0B10za_yA (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: 89e8ea07522baf0e10d6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)