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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2264/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: prova tool (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ik91MGRkZUJZRWtmU1NlcWJfUGVOTGdrZkxTX0FtcV9uZnZ0Sk9LMkN5a1EiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjY0LCJzdGF0ZV9ub25jZSI6IjZlOWRlOGQxYmM2YzgzMWZiYWVkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjY0In0sImlzcyI6InByb3ZhIHRvb2wiLCJzdWIiOiJwcm92YSB0b29sIiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMjUyMC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcyMjAyMTI5LCJleHAiOjE3NzIyMDI0MjksImp0aSI6ImEyYzNkNzYwMjM4MzU3NDIzNjFjIn0.ugNZkAETR8bbibFJJoPG1YAQk32S1pZe3Eytkw8uSdPA2RLtknUM6dbp8QLTTlvmZvjj4uFlcsf2v3bW8wOMAJte_YAH7-GRzTRur6Vzo-0iJAhWdSJ-RETCga9vcDAlifPb8Dxhlb2NiQb17X-ON5bfSZWEtwlJ67CgSsHf1sdND7dUTPfPW9P_GEYif3Fd-YRkXs8O6D-vEvdYru1J0rYeh8AuaGKwR7QYi2pfVX9creKHR35NpIgDTuWB7exHqPSaacMtyQyRnOVEx8hJD5HCr1FGKSklS3xlP98KpTUtTooEzCj_9kyA1bSDtAOWleiiSf6EPfngrfaZ9NqYCQ (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: 6e9de8d1bc6c831fbaed (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)