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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2721/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: just a tribute (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImY4YkQtUElGNm9FQmlueVBGSnRVT0k0d3VTbXBQU1VaWXV0Z01fV3FEUEkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6IjY5NjAwN2E1NGZlNzA0NmQwZDYwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc1MjMwNjcxMSwiZXhwIjoxNzUyMzA3MDExLCJqdGkiOiI4MGExOWEyYzkzYzFjMWFhMmE0NCJ9.Fi51M054JyJd6tvNYuLCmT_uAdY20jm5xTfe25XDqCI3KqwIc6gdrjSGwQCKtiz9atUx-ZVjSzd-5AltxNCgaOmPVCjapq0DMXNkrcuE6po3Exwe8fDjSVPDKin6RfJRKJZFfrMzNf5g8LE0A1zON3I0L2emUzWMDk9CbLbs2OnOl1m3iIt77_tud5IPbo49p-8ZRjIrIfscErVJh78DK7Wv-KAGm_MRM3c7xtoXl-jxZ7GQgPcdvEsEo35DAFgvBh1s355qjIQJZEX7L-OpBTermZ64AMN52qz4uxER-X1aGPRxUjDKmwMEHHURIz45Xa1llfwh-SfddI4Y7lbK3w (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: 696007a54fe7046d0d60 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)