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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1850/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: ab23789 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjN4UHNoYUJrRy1rWUVscjY0MHVDYTRyZnJNNlhEQmlJU1hJQl80WWFSaGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6ImYyNWIzYjgzYTdlNDA0NWE3M2NkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTE2MTI5OSwiZXhwIjoxNzg1MTYxNTk5LCJqdGkiOiJiYWQyYWUzMzE1OTBlZGZlMjYxNiJ9.V8P6ukkq5D6UqBEbA0dVNgm8qFx5etzUbx3jFRkiG7xidYBdwTHTno3FGD_M0uPs_46Al7wy7-H6IWBTi90luvZkQgn7EfdcU50t8bRRWI_hBxSET6Ru_WHZ3uUBm9z2srQbZDew2-jG1foc2GmooBi2u4UFRewhn0viZ0dYAQp_Q0_XdloTbZhk6M4QQR_f0Kd0UUhzevGgITqvH4-4oSJBbibUnoM37NGh3Wy2CgINfOyaxYibckuzuR4_v4ZkTAuNn64A9YmQ0XoOw4EzBpUqFLxdlNY8O6ckmIbA3ak75TG5J8hKMJ_CY45mN0lvjQatGWrYxUXA4O7y6lLMXg (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: f25b3b83a7e4045a73cd (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)