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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2025/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: pselm (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImVEQzJlOGZTYkNKLXdvX1QyZlRYXzcwanU3V2Vid2Uzcmc2UllaVmJwQkkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6ImZmYmNiMGE0ZWIyZjZiOTlhNGU2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODYzNTU3NzMsImV4cCI6MTc4NjM1NjA3MywianRpIjoiYjQ5NjA4NDQzMTE4YTk5YzY4NzEifQ.q7Lv9BwUhjunpplHfVSyoz29HMOtdlmwQvyBcqAJoh5N_WvzLzzB3ek0WCvEPTwK8I-4QFeXEGMr-30VdtC2c-obFcD-UQxCOKxpDxt9SBAYzb-CEFkstgQ1Q8Spmm9lOq52ty9LhQ3U0XQPharYVp71t1Jd-8YNwZ5FeZpE3zpQ9_1gMKNcveqRBY3FmpB7MNFnaM_HP5mjfM1Iaxx8fjIJAzS-zx8MH9-GmGHt0oNolYP2DR4BHm18KStr7n5Gu9hp8u_mMhbMC-rJGUdZJ-R_iNZ7t2GRPds6lDU9nEIhPtWZvgeK3VEz-Ma1PQ0aeMpHWx1bDA3jSQdaSed03w (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: ffbcb0a4eb2f6b99a4e6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)