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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4877/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlhuQTZhd0RzUW9nRzBvOGZHWUQtYm1WT2hUenlOOUstc3pWNW9OcUhza3ciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODc3LCJzdGF0ZV9ub25jZSI6IjkzMTBiZDY4MWE3Mzg5NmZiMTQ1IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc3In0sImlzcyI6IlNTTHRpVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDk2Ni9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzg3Njg4MTY1LCJleHAiOjE3ODc2ODg0NjUsImp0aSI6Ijc2ZmRlMGY3NzU2NmNlNmY4MDg0In0.qbyNnjQhRh7S05NmS4WHKyGnM94bsh3vQhF_tW5F6qmVrNTNZkgEghPsYKFlZFzeCF1mkDl9X2l_MmHUsGNBJTZl5JXsjFhsbMG3PcZeQIbPhXOFQJJVB_STMxwvaOHoPiwCtFUjuIdHXQ0Q63CgkQD4aGvNb7l3Nw_oaS64-JOpnBoe74ptmP30P-ZYDye7BUKR90YsGj1YRoAbP4VnCa7CwK_Ej9w3rgkwEa9TCafm6Vecmk4Tw9u-pvme4oFtbkBYwcoxf9xYdNieoBfHLLm8EXtKk5GxqQ7mvrEivbE8JCfVQCIv6hTgQvk5PB-705fhZN3YrDG4TpgwOl5pMQ (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: 9310bd681a73896fb145 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)