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.eyJ0b29sX2lkIjozOTk5LCJzdGF0ZV9ub25jZSI6ImEyYTk4ZTUzYjAyZGZiOWFmZWFmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzOTk5In0sImlzcyI6IlNvbGlkUHJvZmVzc29yIFRvb2wiLCJzdWIiOiIxMjM0NTY3ODkiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80MjQyL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzY2MTIwODYsImV4cCI6MTc3NjYxMjM4NiwianRpIjoiMGZhZjE5ZTJiMTVkN2IzNzBmMGEifQ.XV7vSQowwxFCPt_cymXYECm_1hTXi3Bv1GdGXEWX-LfaFYLxPbDJLGyRswskIbS_TT83BjDUrlnXU3c4rQ0l2_9oQZrHkghNVDeDcScZaHzOl58c6LrCR1itVcoV4Qcd9RYfRoVq8x7yMtN4STWjl8zKoeT9MHeyywtmU6a14OxaH3nRlwGvYrb9sJYuo88ZEfSsWQfUjg2DJIJq26JpFhcJbeSw3jaYdgA-ryz2b9CzqFUnfUba2mkSeV8aRnn6Cny2DSlTia3PDptbM_4P7zLm4bNUZewRdlEJsYYiB5PuvM8V-GzcEQQyQ0bokm7IHoT4_RvCTwYSZ4_ezkCw4w (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: a2a98e53b02dfb9afeaf (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)