{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"779143", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2150/launches", "lti_message_hint"=>"49086", "client_id"=>"Democlient", "lti_deployment_id"=>"DemoId"}

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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2150/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNydEdsQ1RlUG1CX0xBUEtyNWpIRUFvT1N0SVJPZnhuMkdvNU5fY082Z2siLCJ0eXAiOiJKV1QifQ.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.PHojoD4RpYZdVMSs2jy2CuqAxTGloI34VoJg18Dyn65O3ij3z2zX-gDmto3WwfdP760wy1vEkEts57kkzwJ8sG1e6tgL2GHlxAjfIKTUjwRYyL54fJCqX-DzCKWGYtFmVUhZt2dwRS3t9NOlTHP3t1QwkBN7ie4XKjCAm4HrMInH7htrRzRL6vjRYE1AR3xfC-TNx6ke8pIGWn8W8HM57aIvvOcHTVSxJK1WDvoXAY_Imgg8YFGUq7LLdjyeU8fW6gnFp_F7Cepc_ocN_RTiZsyI6cV9FKDuSbau1MpDmKOH-UYdR97C0AuAyPSUICLoH87tMIIJGvcrdrcsam7-bw (required, opaque value used to maintain state between the request and the callback)

login_hint: 779143 (required, tools and platforms must support a value of form_post)

lti_message_hint: 49086 (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: 5ea2df34e2bf02dfc005 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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