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.eyJ0b29sX2lkIjoyMDI1LCJzdGF0ZV9ub25jZSI6IjRlOGNiZTg5YTE3YTQzMmQwMTExIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMDI1In0sImlzcyI6IlBTIFR1dG9yaWFsIiwic3ViIjoicHNlbG0iLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yMjY1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzIxMjA2MTksImV4cCI6MTc3MjEyMDkxOSwianRpIjoiY2JhMDJlMDQ0OWE3YjdjNGNmZGMifQ.T-BERf9BRhD3JqmfcprQ3fJB6yNeyD80frS-ncKNbG8hlU2e1N9mcp76l96HmEdjPlZFshdFa0XYfKWgqE0k-ZplRTSn1hku2b38d3K6aKQuHui02H_EXW_QY0a_vsu5rCVLyEXwU9BDID4EZi46lZPu--GcsqophJupPSnbAdfwJBRVUjlhWk2UMeG9tchJwzTUNlsRDIrHyuCCAkfF_k2B8N-bIASTaivcX26u9z3DvBuSF1nxjkl1DKHCRqkSeSg_JQV1T1-tcXoKQTy6vr_qMufl88uuXP4tQfKIrNXE67ssPC0Oq5a4DDnEunz-S3RGOuVfkXQGGHgHqgt9hg (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: 4e8cbe89a17a432d0111 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)