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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2843/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: 456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im51WEM3Y2RTOVFCSFI1VkFuTUowdzlMc2E3WERjQmpYaXBJSTdmRmIwVFkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODQzLCJzdGF0ZV9ub25jZSI6ImVjMGFlMTI3ZDhiYWY3MDk4MmU3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODQzIn0sImlzcyI6IlNCcm9ja3dheUVkbWVudHVtLVRvb2wiLCJzdWIiOiI0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTY0L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzcwNjU0NDIsImV4cCI6MTc3NzA2NTc0MiwianRpIjoiYmQzZTk4MDNmMmU4MmU0ZDg1NzQifQ.HprS-wF4p4cUKpKTxtU6_jllkF2OGTBrIk_ZrKAelkrvS7VdOHc-y7hmceRj78ZsnhnqU6nZ2X7e3Kq9XVxuXj3ghhEEtbzTUA9jiDoXcLrVlyc4osjNPwXNwWjyHWTJYbjsNk8ioS5D3OJ5uoI2UjC3QwHrlYS5RZB3-H5yzc-FzFqNGXJzAnkezUHdApvUjszDIViCrwsgumEw2NkuWDOFNTtG30PTpMZbyTaxodbnan1s2uO8M--2FnDwC8OVY-Nk6exChIdC6RQzGpZjZiG1KAyAkCN--KQMII_iHvZAmfow5KFDRRMbFS7PwF0h3CLwZ_wgsxRCIsLK0VZEjA (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: ec0ae127d8baf70982e7 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)