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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2503/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlV0OWc1cWcwY0NYSkZGYkxrVUo5OE9Kei1OOEhOVC1uWEJ2Rm4xZDFVOGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNTAzLCJzdGF0ZV9ub25jZSI6IjdkYmE2MWNlYmM2MTQ1ZDQ4YjljIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTAzIn0sImlzcyI6IkxUSVRlc3RQbGF0Zm9ybUZvclB1YmxpY0FuZFByaXZhdGVLZXlUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yNzkzL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Njk5MTYxMTQsImV4cCI6MTc2OTkxNjQxNCwianRpIjoiNDQ1MzEwM2MwY2Q1MGRkZDkxMWEifQ.Bp2yA0IQV0tNSPMJwXqYF5k7CZL0q3Z71-TkpLRI59IE2rSarognDFCczbcXcwp9LRAeuvg4hgHYHzwd9rJ9lfc_4DkC8oRlvm-tj_yRX-VhxP39zbT6DXakaoFdY6Lkojfwb232i0C5V6MTew6u_hkjvdE2C5NUlFYBQB7ENMUDJKMk36x8tHjPOEhrqinfqBdaYN7aYeODQw-EOdr_5WPa5d8a0FV5dnq3o3_qGGsWMVe6dPwmqtZQSz4FVd3XEvP2FYdZceurz2wSVkW4dsqXZHqLBOSqYC5vVFZcxeUIqJPy9q6LzqsYPQiUcvsf7e2hnSCV9-J12AajNqScjQ (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: 7dba61cebc6145d48b9c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)