{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"326188", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/1801/launches", "lti_message_hint"=>"34106", "client_id"=>"c12345", "lti_deployment_id"=>"d_1"}

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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1801/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: c12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InVhMnRnbjlUakVfeDJsRm5uMnk1WjhPQndxcVptWHF1T01DU3czbXhRbVUiLCJ0eXAiOiJKV1QifQ.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.sNB1GpK_nmy-ptmuKUQO89yJyLO5EYsBxy0FnnMrjQt5Y1EeeFKVq6ZET6yEO-SQRXG-tiqqRKK3UowQltki5muz2vPfeXw1naqhM3lBxHRXGNJE6aWH8prmfRdwDzpSD4fDJC-8xYVi23Krj9C3H-oyydHlytG0-i99n1nhsUdIhBBMSqixklLo5sR9q9LwTfrftskDpZurfxQpeQQkTf_g4p-FVrIn8gxkC8Knmb8Jv08alCSuShsGCz-epQO2zUgqrdZTjN-Q3RCDvyHB5-I18sOU2EBz0dq94AMpOqWzWV8LmWa8_twlSA932z6Wk38n3p8ZNeAwBt6qLS4yGQ (required, opaque value used to maintain state between the request and the callback)

login_hint: 326188 (required, tools and platforms must support a value of form_post)

lti_message_hint: 34106 (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: d06295a94309f7c4048a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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