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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4503/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImpmZ202YlphSkJ5bW40Q1BOTUd0cVI3NjZoSUJyN3hUV1ZMX2FjRE4tdW8iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTAzLCJzdGF0ZV9ub25jZSI6IjM1OTYwMGJmOWYyN2FjOWFiNDA0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTAzIn0sImlzcyI6IlRvb2wgZm9yIHRlc3QgMTExIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTgwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI1MjM4MDEsImV4cCI6MTc4MjUyNDEwMSwianRpIjoiMDQ4YTkyYmNkOWNkODFiNjJiYTIifQ.sscg9zi0RC6M_Kd_hD-NiRDDutpHgmZ5yYLteUZA0Bl9f5bnEOoOI6kPbIzVSrP5fsy99LLfg_YxAOQVjRp0ptnFD-bJtIG8DVLdi9duHgZWMjeG31JKSse6707ujW0QGAUNke-Go7jApIwLq5BGT-g7db_p-ovt0HLhW_7wFNi5SPNSgVT1wAw0g4rs66QewISx4VN3yxUmczGU7wW6LCDQDGffbuJ3RWXCljCP9x6pT6Ja4YT-S-dQiSAmLoCMsAi5rV2ygsmDJPX-Wa7M8LvxqBXtN8UqQf_05zdxnsNwuw0MIB50W37ZQxaN-KhCIMptwWtV4M4IZAJ8V4GO9w (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: 359600bf9f27ac9ab404 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)