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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1991/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjYwNmNkYTVmMGUwYzIxOWI2YzdiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4ODc2MDc3MCwiZXhwIjoxNzg4NzYxMDcwLCJqdGkiOiIxY2MwYTc2MzI5MzJlNTYzNjE4NyJ9.JZBoKtweVZRSq_zohqEmFoJo_UOBAYpQ-Po0GiF2TGM_xn8mrj6QH9ywLxOut0h-fQ64gQaF7nmTao4bScl7lFxXvwT9P4CcXKZlaGBbIO9hULEBhMBvO5MiMDg4CIOECi_Jj3fHNu9qF8aX7tq3M8lkANz1zjI1RntwL_XC3dgmmvO4N5v3SZO36rCEiWBYGUXcPkpOglrQZomJsSqYsGH5DLJt_2qMtXu91Ahbr-1zS9v7iPaZPM7HcUC7Bslicb0ggnQFS6v2SBe2dCJukgFMZohvbO4k5AmIt6zMCbISce6UZf172mmSNMdYNlZKWqw8CDhdA1Y3SUynqaCBIg (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: 606cda5f0e0c219b6c7b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)