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.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6IjNmMzY1ZGQyZDNhNzY2MWQ4N2I5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA1NTg0NjIsImV4cCI6MTc3MDU1ODc2MiwianRpIjoiNTIxYTRmYmQyMThjYjQ5ZDk4ZmIifQ.qdAlKdS94f00-FU03gADgLuW1GREHrh9yvk_BWrDPfT4u91HSnnKqoARuvU8GNqsE4In-PR7qETBE5S-DIYK2y93QlFVkSSLEMF_6XLUlN00qxLtVsLcNCIYSAcC13plSLCI0DJ-3K8VY4DqeQR9sBkvPGB6vUwQ_KhOccJPL82wi0qnV1VLP5pQNIO0ENZ-q_yCaNFyFNKwlKBfs9Pr4ALsSWjKrZR_NCwC-LMXVew5Y8-5rZ_H3ZgrYSmHb9QOsDKNZAZXW-ZE-3mxjT14DRpQoRtFyk3aOOS--DbjPctuz8uPcJTOy2XEJ0ahHIBpljbOGeKD_yzNFotCmq04LQ (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: 3f365dd2d3a7661d87b9 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)