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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6ImEyODIzYWEwMzZkYTdkOWU4YTBmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODM5NjU0NzgsImV4cCI6MTc4Mzk2NTc3OCwianRpIjoiNDg5MmIxOGQ0YTlhZGM5MzMyMjYifQ.joiapxvLnmCsTb7R7Zbfo7hXOLofmJReHuKaygt1zQ5J8Ck2A8P2sDEC6kyGLT86-RzSJzBoxHMdxVOC5l0OMp1whf1bGlB_RR_OLvHdtQnJ2hQh_NSTuL4oEHqbtriR9sUue-H-7sW9zUkuGHD_6288zL_zm1ASRu7bpCOxMiA0HsxeIV1fPGc1qcVkq0EpFj-M2BF6GupvPopQ-b6uKD0JNGEMAfzGKGRQHaALguTTiw0n4mS3Th-etqmbLkjBbEE5i92rFmGLhwQ67cfLh4krmbuVnLbpeppDGCyz5Nt92ufsyWHj0i6y944Hys-BFy7GdtmHuz-QkJJwMII1vw (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: a2823aa036da7d9e8a0f (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)