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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3539/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: cgp1234 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IllITzE2SkxjaldxLWVIbTN5eEozQ3d4eWxhUDhMeEJHZE00N0NjTjJYZk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozNTM5LCJzdGF0ZV9ub25jZSI6IjhiZjA5Y2E1NTdhZmExMDAwODRlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzNTM5In0sImlzcyI6IkNHUFRlc3RUb29sIiwic3ViIjoiY2dwMTIzNCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM5MTgvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4OTU4OTQzMSwiZXhwIjoxNzg5NTg5NzMxLCJqdGkiOiI0YzdmYzI3NDBmYzA4OTA2MmM3MSJ9.fCvvt6a_UksfjIaMNdKYQImwPny5NMciv9j_eJG7xsyIEk76KfegW_qnoXCMYwNjNqMgVOoxet4mZSbiMBoabrBA1dW6d5YcAWaesjyJfLs87kRlCPjf4dWUqHg1nKUs01oDSMRtZIOAkSxrT5hGvJpNYUP7-Rao6t8-uG1D_6B0cmvosIoOHZs9ZSsN7VdUdP8Vig_WNCVilZ2jX7lvtT6YpZFJhzPfnjVZHm3W7QFs8K76vSioMKnncUdi-U3gxcgv5fzMA4NjIhfo1eqrM-Oi9a0NuS334CkXgNhkaEUIXX9t3QMWFfx0jpfUIHjnMiog8Cg2P-SVFRt312dMcw (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: 8bf09ca557afa100084e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)