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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4428/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhGelBmckNHRjE3MzdiZ1JnVko0dDdzQkZabjc3Q0hZakFOaGwtNFZUaFUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDI4LCJzdGF0ZV9ub25jZSI6IjFjOTJkMjE1YzljODlmYTBkZmZjIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDI4In0sImlzcyI6IlRpYm8gTVRIIFRvb2wiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ1MTUvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3MDMzNTc1MiwiZXhwIjoxNzcwMzM2MDUyLCJqdGkiOiI0OGFlMDY4ODc2ODM4YzUxMmQ3OSJ9.IPo9Cq55IRfg7d07V3E0HT66b6I50bIjSDoS-BHonrGXuUighMyaiB0dm0TTAsS10B2ejU94w7nBZ1xqfosNDH3hSB55NHP_WPl7DA1ycwNMOvDp0PHVBBFKfMuVwURqJyklY24M7yui8u_sZBMgGNHXq9tkF93kl3PX5XWf4YJXgBUQ9pcvEMC6bXyScFdNoLO6NehN4ZNUKmXGGCTzsR3mvbWFl_mrvqDqZk_dAgTNs_gASOW2iYOGSdof6N0PBIJUvjPoERU8Ly05Q47wvEwTjK9fe8Mn8YLljmUvkRAghJpprHhQGDOsnpkQPUsKL7sqlbgLKXhBNn5bTAPHMQ (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: 1c92d215c9c89fa0dffc (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)