{"iss"=>"https://lti-ri.imsglobal.org", "login_hint"=>"509523", "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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.GCbfW0VFSpfBeEJuYO4eiPUR3VH9I7gJMejM3FulJxERJYeo5qg0g_D3okhW5xRzjOaAKTHRx7krLlXoqOYnA-niWE1ZgKaHmhgwDbavMPuENix1v9uxZaH8AUumnrpFFARFshsvjPuy_wSSQuHbBd5D8fh9I5mEbnBKLGlQXtpCfowl2dJR_MvzdYBNasaCsuQKRiTQPLxEtbeJEUF-dYWnpnelUFyykVnJkOI2isgFf8pSMTRRZsyyWR9FbKp4yAbqbhpyWhQrXbVvLNru15-jGRp5mVPHGhHUF2Ta6ufsaPVzSFB_xELi-M3Qiu3KqCPRKjXHZ03FqlSW_PjoEg (required, opaque value used to maintain state between the request and the callback)

login_hint: 509523 (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: 5f6e3c1c8c78308f587c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)

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