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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjQxZTY3YzUyN2U2YzVhMzIxZWM4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODk4Nzc4NTYsImV4cCI6MTc4OTg3ODE1NiwianRpIjoiOTI4NjA1YmU4M2VmZTQwZGEzODcifQ.0ldIUFEkjDlr-5wXIcxDjT155STSBqozuSK1SkvFyzsBCZy-7qHzUY7TaIuf8YZ2cBcKYXxVHqTzpBzfALYd_aA_DWt3WZCdb4GRgyd24EZVMC8cVQVR-pusq_pfqjFRNRaZ_GdQQC64bcSkscCxDxAw5x9SXa3sQmTiTpACC9nXoDa4kqq-e4zpJ2wdHl-FObAfrQgxL6dTlIOb8Cm-dIGIkQRdB35p5rCYdSeulzo2aOFuBNJT2qpQxPSd2yPe9or5j6glmpkHzKJ_M-QoCyNxupyX-9qX3_EFJhBJ2KN0ydvAPM-O3f-rhEp0_PV37ccfuFeKZMxAmRG_RLuE8g (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: 41e67c527e6c5a321ec8 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)