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.eyJ0b29sX2lkIjoyMzg1LCJzdGF0ZV9ub25jZSI6Ijg3ZWE1NDU4MzY3NDY1Zjc5YTcxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMzg1In0sImlzcyI6IjIwMjExMGtleWNsb2FrdGVzdCIsInN1YiI6Ik9QRV9tZXhjYnRfY2hpYmEiLCJhdWQiOiJodHRwczovL3B0LWFzLm9wZXN5c3RlbS5jb20vYXV0aC9yZWFsbXMvcHQtb3BlLXByb2QtY29tbW9uLWtleWNsb2FrLXJlYWxtLTEvcHJvdG9jb2wvb3BlbmlkLWNvbm5lY3QvdG9rZW4iLCJpYXQiOjE3NjU4NTM0MzYsImV4cCI6MTc2NTg1MzczNiwianRpIjoiYjcxYzkzNDExOTgzNGU3YTUyZjIifQ.hOLNBaimr-Ky4N66A-r_xuDEqNQnQIAiVTbK7o1psu-TeNnQ7qeCoZrqnjwbKEZT-PPzLw7MTnszEF0z2w9Lrk0VKnKDQkzB0XaY2pTadFsKPZyS9lsXxJ1-w3KUrR6SmfF4bVs-YjMfpMPoRud_kIp-mc9ACH1HC1aC-L-ymchh1TQYX4qpI7aA1AT3_IsB_jYnEQz7QFn0fhT_981vxoqYx5y6-KrWFdDymHZHPg0_qW-2f6Mhus4AQftXE2P6q-uWJcw16Q6SZErE_6vgKn-zf2y92qNewN4k3MXY88c7Tbvw3SZspQaE_RlOhrUnkA1xmUWqnadaZCIhGxrtnw (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: 87ea5458367465f79a71 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)