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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjQwZGU4YjUzOWIwM2Y3OTAzZWIxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTIzMDU2NzUsImV4cCI6MTc5MjMwNTk3NSwianRpIjoiNWM4Y2ViZDc4MmQ0MzM1NjhjMDQifQ.zeDwxcKsit7KD2l5KNyvZujsTTkrINkO_9BikbzlRooLkywMnw5egvezrHSqqjr9Yw0OzDyqPAauLAZH55nZls1zxFPBLC8kSUjmTdWTfOYA0NeYt1cNLRt6m5LUkcMmdHbtRFm6_yhDMGdzEFbiG0pGMLwC9pWyNrvdCI9QkWfPdQLYTe1p0sZWwMKBxsvYhkz2QIkov2Q2NEx9h2YZeu-7iObYAQ6SNz9N919CZQOB1C9LiYEa5qWvq_w7bfT0UQjgzE712ew717jybNZdwIhzTIPAopypLxeNHHRSEZ_-ZxDh9KqJbNiaJINda8JfLrPNpS3J4am5sPAmvQwSJw (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: 40de8b539b03f7903eb1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)