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.eyJ0b29sX2lkIjoyMjY0LCJzdGF0ZV9ub25jZSI6ImVjNjBlN2NlM2VmZDgwODkyMzZmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjY0In0sImlzcyI6InByb3ZhIHRvb2wiLCJzdWIiOiJwcm92YSB0b29sIiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMjUyMC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzg3Njk1NTM0LCJleHAiOjE3ODc2OTU4MzQsImp0aSI6IjU5ODdjZTZiYzkzOWU4MjhiYzE3In0.V9BrvESFQ8j3HIszVDiTxpWjcc1qdcMDk-oxGCg9gKabH3NuNDu8eFv7tYjfYeBezdiGMpSVFYamECe5WVWsM1axWSWxcIXlfxTXARslZpsZOluFh3f4XO8r8qq8sqRq5vqV8mI8vNv1M7HCFHWM_VIpg-udjXGUv4KxHPgwgWuH7wcThKnx-Z0J1s4PicIcc0QZFsV5Wmgt9XkgvUR4SSC1yqvwNqOZFiOH3ssXifAKzudmYgd6nPSTBPBAMBPg33DUplGqagANpsWrBXh2_jGDxGNBJcqQ1_BZkXU41eJ2NzJCpKoXwDMSPO2iJjbNDMZql9EFhcLEsn6tmgefhw (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: ec60e7ce3efd8089236f (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)