response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/2411/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: OPE_mexcbt_hiroshima (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjVUVDRsUmZHX3JCOGtCUGtSX2FKQzV6N3hMMnFQdTZxOFFmdDFnTWRyYWciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNDExLCJzdGF0ZV9ub25jZSI6IjliYTBjNmFhNDE5NzZjM2ZjZWMyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNDExIn0sImlzcyI6Ik9QRV9tZXhjYnRfaGlyb3NoaW1hIiwic3ViIjoiT1BFX21leGNidF9oaXJvc2hpbWEiLCJhdWQiOiJodHRwczovL3B0LWFzLm9wZXN5c3RlbS5jb20vYXV0aC9yZWFsbXMvcHQtb3BlLXByb2QtY29tbW9uLWtleWNsb2FrLXJlYWxtLTEvcHJvdG9jb2wvb3BlbmlkLWNvbm5lY3QvdG9rZW4iLCJpYXQiOjE3NzY2NTU5ODcsImV4cCI6MTc3NjY1NjI4NywianRpIjoiNzZkN2VjY2ZiYWVjNWI0MGY2OWIifQ.m3jn6XdMa7eb0iqeOWIUaKoMAkuMMrcsZz5EviuDonRU_kVGTW0nPUBa8NQTIxTqnMKgRI97qUQXGxHfpT9WKdKEp1Wh0yOUgSromwNUVzr35jjBd1lmdRS3Jui1aznwLgcmjffCcfHGYmDtzZVWS1tcIG_K1ogK8-Q0kd-Q24D0m92meVOfBkjiYJLmQw25BOMEIq6S5P-tUlyZb-9lGLWfwDLBOJmuWrrDdJW-J15tYvcz8pqHYnPn9Xgvj6CloyZT_W69oOcRqVfIfimEmFzyNUkuc9KyWPUIlzodgsyzMLP0Rn8Vihx2ZSiX3IHuIalsSC3tpmJM1KRSGst91Q (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: 9ba0c6aa41976c3fcec2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
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