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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjUzYjc0MzYzMWE0OGVjNmQ5YjQ4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTQwNzMzNDAsImV4cCI6MTc5NDA3MzY0MCwianRpIjoiNDFjYThmZjg5ZDRkM2ZkNjllYzcifQ.WjtLN1i04IdYWsRbMop00xlfZcLaztd32uj9q7042OW7aP-z1jeh6JZJq2uWUBqGm5gEv-bk0CXKDSE_v2yComi17AwG8oJNuIXToqi1SpGwOIE3KuF6hFD0Og3QjScAVRCtfXlIfEpr6CgKMqHE0lkKbVl0f8VpLjNs5RpqtVIW5bfCKvB4wiWHH1dGgV0UOJhzYx5-U-XRhaUL8X_PP8jArVDzoV_ZVbvBjsMZrCmz_Muz-agf_h8G5DXizT-L1rX1lbKsrOjMTEeUQ22SZAFRbhhPvvoGYfb9O8n4IZxsxtrP1w32lo0m7_RogMDRo09rwpAdHnHqUBv9DZwG7A (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: 53b743631a48ec6d9b48 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)