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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4539/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkRrbGdseWxEblItT1BWOGVlVGdWdkxDQl9wb21PRlhLTEtkSkZtQVFOdlUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTM5LCJzdGF0ZV9ub25jZSI6ImVmZWFhNTUzNzRkMDFiZDQyZDRmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTM5In0sImlzcyI6IlRvb2xGcm9tTW9vZCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDYxNC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc3Mzc2ODIxLCJleHAiOjE3NzczNzcxMjEsImp0aSI6IjVhODMwNjY3MDZjNmIzOThhZWViIn0.rGnleBCjJNw1aWsEaZUHClbSxyB1tIGZ3WY9Ri9ZX1OxUzQFoeBqzZZFP639kbNxCfbxhqgwedRV-2L5SEiDxjut0DKIm29xr1W3ZsqPoSJYNrP-O7OtGdwTnQSqKZ5VDA1iQ2UEYBEVgcPngDICTD1gBC1YEcTXLEP-itRTosS8E3bg8Yi6U1IGi0qQdGdTNAIQKpcDvVWcamjVR1FEX5kinVIGo3gpPpyGP6bnkIJ_bGgxuzqWdEX_opLWCl6M2rRIJId4PlbATUFx4oaDyF2Sk768et4Y1g1yem0-xFJNFMmYKcf9oO87i9UT2EGm0bVwx7GOfIpu6F7PdGZyrA (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: efeaa55374d01bd42d4f (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)