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.eyJ0b29sX2lkIjoyODQzLCJzdGF0ZV9ub25jZSI6IjYyNzY3ZmNlYjg4MTg2Nzk0ZWVhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODQzIn0sImlzcyI6IlNCcm9ja3dheUVkbWVudHVtLVRvb2wiLCJzdWIiOiI0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zMTY0L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk3MjExNjIsImV4cCI6MTc3OTcyMTQ2MiwianRpIjoiYjQwNTI4NDhjODAwNDkyZWRlODYifQ.DT7qHVRm1zVx4kYfb31XtYRveipLQbgw_A-23uQdBXAgUHMwAE5HRdt84VDrRp-DTgK2GuxrG1q2JFfM4L476FzH1VzpweqyqrIW8qq_P9sFO8XYDq2mgWzUcZ4lUb_07Ei16_qZ5Atj9YExLR1T-j2bOZJ8Hjhivg-YvmHw6Xm7wmA17CCrJSEP7ZbEwC7anDe-qc7o1d9TBsxY94xgeaE0V3vk8muNGeFI3Ms9lTX4U15CsbzJbFIGOzOOnNWqu7-iOZGiyMfC9aHsmceCr5F7x90HZsmIqcpALaG4MTpKoownDO0Xz4hy3xxfiP23Yf-z8XDY10ep9DWYVdAJXg (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: 62767fceb88186794eea (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)