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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2218/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im1rNjdITEJrUEwxZ0U3SXdTcWNSSEFla2owX0xwcm9XMjJaVGZWb3o1VE0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjE4LCJzdGF0ZV9ub25jZSI6IjRjYTVkYzI5Y2QzYThmMjVmMzk2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjE4In0sImlzcyI6IlVuaXF1ZV90b29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yNDc5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODc2NTM5NTQsImV4cCI6MTc4NzY1NDI1NCwianRpIjoiNDY5MmQwYzU5NjIwZGQxMDEyNGIifQ.k29GDlFPml_x4FpCOD-Uxgfi51ai_tY4uvqiOzL7rtGxI7ZvrW0izfg_A8NYVPXLNHt6DI1y4_Y5zOqThbLkMpc-S4HAJhBb5cnehVSUq1g2ECc8ACkobiJOKzhhxhThDsoNb14O17voLxNBwZjV92oOgmbkVPFAavmPFzfOhf2W3JTb_LxGYjSk1k881MSWq69dqdmIKqrDni0YY4Bm35-0NgaN2hDUtvE6qX2uwD4TcybS_LJ6vHI8mqIFQbZcfyNVF4lotvgs8F7p5TakBGdyh3NXeFzBcFw3AqlCkDnOfW6RZfRk7dORrQ11WE5xMmta4IFpEIsdH9BR7rXBgg (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: 4ca5dc29cd3a8f25f396 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)