{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"398395", "target_link_uri"=>"https://lti-ri.imsglobal.org/lti/tools/2343/launches", "lti_message_hint"=>"60992", "client_id"=>"VilsLtiPlatformByPraClient", "lti_deployment_id"=>"DeploymentIdAlpha"}

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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2343/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: VilsLtiPlatformByPraClient (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IllaY1J2MU5XcUdXY2txQlYxZEJXWnF5YzB6X0o0WUJmS1daOENiLWZZc1EiLCJ0eXAiOiJKV1QifQ.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.Nn53jre_sbuTzTxMn0J4rFkPBJBR_bFttLJdHaMvW4cj1Ef7FiLNw4lSteY9HQ9G1JxQjvOvV5K2iBmQEeJUoJdVr7xMlzM2k5TsdkBMHua9HxZgwkNtwqvYjnwf1QfsLd3e_NwyINWGlv2i8cJ5g2oqc85lNGs09b8DA5qfxoyM7D3qkOxOwQU38PydnsPDkpOSWvKJ0awiWGYk9-4TgF5UoawPvZOZFkMhFc3TxJEzLQrrYHUO05A0AJiFZZ0CGjeJdkazGo2AJmKGAWrTBnUIfKxkMGwIn75JimmfwQkglazl0JxU0ukW198C3BI2NJJEQPThyQRgqHwtBE1haA (required, opaque value used to maintain state between the request and the callback)

login_hint: 398395 (required, tools and platforms must support a value of form_post)

lti_message_hint: 60992 (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: a55bd5e3ea44e03fae11 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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