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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjBkMDdjMDkxZjE5ZGEyMDZiMWE2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTIxMzI5NDAsImV4cCI6MTc5MjEzMzI0MCwianRpIjoiODc0ODg1YjAzNjliZTFkZmQ0ZjQifQ.ratMYG-9x0g2yD0YLi9kX5o6QSOBwdiXbIQXge5hr5xrTo4c0ncqZVlge6CfzZH-rI8Y63xOKhBvvXLpmsfit9zOlKTpHK3P8cTDPVLGiOVtG47ZYvUwd8uuWCNClpd6Zq1UoqLvk7l0CdN7jyFwS62adu-Q9e-b4-SzXyrLhQtOtD1jd1Ey49YpO6fQO97JHF_XjgLYcdsiLO2qW2McfR-A5sK1iCXptxynNDzLhC19ACxuMo5hwJlhc1FUoe5YwVf7_aOw2dwjpd21e8Ce8uwwF-QJ5tx_xrWwlyEEzu-DcBV6-IaBRA0yaQfP98PCJogEpBu4FDaSqA3vsncZZQ (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: 0d07c091f19da206b1a6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)