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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjdjNGI3NjY0Nzc0ZGFhNmYyMmYwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODYzNjk5MjUsImV4cCI6MTc4NjM3MDIyNSwianRpIjoiY2U4NmVhZmQzNmJiZGM3NzU2MGQifQ.OqOOSRrq_iBHkxIAFoE78KEuQUrdsq5y81zMFVcgu3s96WIzE3WMhzSvrWvR-aROOCABKvGCs-VM0oZeZeIbTNICZXMwYfdRSZ1DIdGQ5hvyuf1pUEFzIXS-vZDHcWuylfWeG6nbXnxnVAadJ1iEgDbnORg-0expFmeLxtspRTwkjICpI-gdGacbL_8Dr362e0KqhMlUH9R3xJviRwlRdgxyejF9VeCCy8P9NxFPvxf7-cIlXauYTgnsSwvkzdyu4YCfyG58_Lwi5tT0PueOVzpIIA10nDrKhXys7Uxt7dM8zVDVSKNRbCjxVHhEH-RIMgp2Ywnd4rx5pTXkECPXvw (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: 7c4b7664774daa6f22f0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)