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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjE2MThkNmNkN2E1NGE4ZDQ3YzcyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Njk0MDcxODAsImV4cCI6MTc2OTQwNzQ4MCwianRpIjoiNTMxMjU2ZTQ5YTIwZWUxZDMyZmQifQ.kXbsmURT_ep9JMMKgQP3a7nsRomllkZqdArXRmtCLUzcpMWsusaj7Fw5bEqUH-JKOOnDMXe_qLqCG9B33pxZIq-wy_WuMzC11hqlZyiFJ2q-bmLBDzY6WV77qyeCGGfM6wNDlt9G11TIcEbC5JRYFr7xRscfHSb0hvxtgHD2ryLJbCnQCf0MmH6T9vyEXLVR_4KLV5MO6iczoZ6-1Yhnf5IuEkjBrLtOuBvXAdJRDQzzE6Ah5BZcmq-dLQ_YQ3SYBfeZO0TsUDqB7bXacEA5HNW5Lgr-Rk-io7zQ5nIfhiQoVc4oY07FNsue1ddjM7-YJPFN3vviMjgWDlqvDw8heQ (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: 1618d6cd7a54a8d47c72 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)