response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1771/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: 12345 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlpIeTJTSW81bldLT3dWdzJnYV9rdDdkcEN1TWIzYmR4M2pqTmpPVW1rTXMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxNzcxLCJzdGF0ZV9ub25jZSI6ImQxYjIwYjY2YTAwZTQ4NTBlMDI5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxNzcxIn0sImlzcyI6IkVsZWN0b29sMzE2Iiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTA1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTMxODM3MzQsImV4cCI6MTc5MzE4NDAzNCwianRpIjoiZmQyODUzZWNjMzk2NzE4OWVjNzIifQ.K4dJ_8HfkRiBi33RhAoVSb2x36Thi6eUKcvIDmm6BiCYE0xF4llsH4Cr3DjCnS-7J1tuWtb5odFIlzsT3EUrBA7KyPydq9rqUEj0j80Zf7TYpO1BuoJUK8sC4h9Tm5kV0NUC4cBIOr0m_iw9lYK13yLX9G5XTZBPfmf8vtfya0EGRCcs7ZlOuPxbRUvXVwNdpDVr1qZnk9w2zJ_Iilc_7IFhVsFB90zxPLxFcIqDzWj9OO14wzO1SdEUoqSBa2KclWTAVp0oqY6W-UTUVnzongPU8AKiktZyn7x15QhHaO-ZaHhN-UtTHkiZMaTmPZ8-KjGN3z46qR7p-EUVFasa3A (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: d1b20b66a00e4850e029 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)