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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3999/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: 123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjJKN1V4R1hBY0RzalczTUNlRkhLdzlTMUJVZ3BHOWlVVFdGenloOXYyTVEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6IjlkODE3YTE4Yjk1Yjk5ZDYxZmQyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI0ODcyNzEsImV4cCI6MTc4MjQ4NzU3MSwianRpIjoiMTY1Mjc3OGZjM2RiMWQ4NGYwYWUifQ.vQJ_wdYNxxqhn7fEmrpOevnhfKhfVnRvTpljtzti81L290q_YY1HJVANc_pLUQ2V2mo2-dq6u47dtP6PJDP1XB0vJLDUhnXIWDudiBgfkmdbDBgNcnPeLGoPA-U3WOCDBAakMluS_tsQurtGB1ITWdMYsN3a2tRvDNoEC-D8gl9uOU7p5gYeGde1HlhK5tf06hd6qMiuvMs2AU9cMED14LK4ZltBztcA9I6sCqVmGzI-IqDO8ip7tofcB8SzAtiOj4_MAzX2PjG9KOSw3tRnmtVwy8D6m7xd1u8OGoPapO6VJJKt8lcFu64qomyj0Og8iZbjCIJgXwMJas9TX6VRrA (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: 9d817a18b95b99d61fd2 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)