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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4661/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im5UQW52RDlWRTVIMjhwVHpkcTdpa0p0cXhIeHNrN1pDakh0QkNIMTZaRmMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NjYxLCJzdGF0ZV9ub25jZSI6IjkwOGFiNTY1NDM3YTFjMTAzZWUxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjYxIn0sImlzcyI6IkZpbGVVcGxvYWRUb29sMSIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDc0MC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc0OTYxNDE2LCJleHAiOjE3NzQ5NjE3MTYsImp0aSI6IjMzOWRhYTAzYjJiZWVmNGU2M2QwIn0.d6uY8d15pyUOTaJj4XTJtLNFIdu4_AASyb6YydCcEo17lFWxF4BXXE_lkj1w9ltCKzpTAs67Iwhc8YMeol5y1qG6btp-_Dv9Mwo0aph7brPqivA2AO3JjVQrMHoMqvG1iia1lGtWFkcAZUhae02tIrlY1DkDqjh0G085WX-e77BsSV0yaFMDKmO4ziudhXav86DxULQY0g5g61nLQUr89GwKGXOVXSxi6JOE683rNT9buGpl5184z_xn_8pU7bTyqEdeeZMiqQsXioWU5Yrv8HgkG12YCpoEXe-G2zo_Snep9fegmaw3QYhuu3b53Dn42Fjr_h0xCWvZTLIvPA6cQg (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: 908ab565437a1c103ee1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)