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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjRjZDEwMDc1OWQ2NTg4YTU3NGE2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzQwMjM1MzgsImV4cCI6MTc3NDAyMzgzOCwianRpIjoiMGUzMGIwZDQ2MjQ5ZTEzNmUwZTYifQ.J8m9eZTTEbEEQFW5vxz-rKFNVSrx4z8ncg5FODy8VTnZdHS0gIvIIdvL3yTfBnlGq0xEBtDc5j6GCz5jwuugQzMvSwh1aZa2HRVnV59j71m_0VwXJbo_4flEA1gbJbDehhynyzrQBWEsU4FOS_M6OFUMc-YaB4CmUmtOpL4-4ePdE9DlH5RCRBs3EOetq0vjBywALlCMANZJC6e72wCtMxMyiYGdnSo7c22NhZXM2M8Z_5HqOH1UQxKxZ2AE_Bj2E0HNven_CyaAY73eFni2xABcdeX7GaP0KuxE0Oq6cJ2rZDcIG4HpFhgWkfv-rYaMjvm2jpDEwLKrTmZKR33lbQ (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: 4cd100759d6588a574a6 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)