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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4621/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkgxaHg5ZFVsMC05bDVhc0xZMVR4NzhSVUQ2REhhb01lOU9PcGZuUm9zbEUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6ImZjMTQ4OTUzZjgwYzYwY2RmM2UyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzI1NTEzMzAsImV4cCI6MTc3MjU1MTYzMCwianRpIjoiZWE5MGJiZGQ4ZWM0MjVjNDgzYmMifQ.rVfg_LMAoovrWkXSUvcujmvcYhjT_8ipdNi5m97Q13S5wj9xFucTqxeIHf7KUYRl_NqrjAMY6vVLSrHrHioEkyqdmEchh5hKtfyXYw516gMQTVjPVe7-hp8M4-WpQBQWLM3eMi4IUk6fAuA6NfIhjworqb4U4bPgI7VZVTOu-YKpIO78qV2gLQ-LbUHDxrC0Cyh20tH45dddhD8A5GtcFh0E5zWMgurl2TUuJw8-KX-LJgAiEL-nIpuwNgmiqLLV1x8HU67MOPJaJqHpa6AsZ9GWrAqFb2hGebYWyUmEcoA95rt2JEtsjVTYq72E02jnlsKEdkDRvqpQUh4PwTnHjQ (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: fc148953f80c60cdf3e2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)