response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/4129/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: 12345 (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InE5QjhpV3VJYk9CVzhOanUwVHBQVVZaVDVtUHJpU05sY3JiQ0F0UkJLcWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MTI5LCJzdGF0ZV9ub25jZSI6ImFjYjZjYzQ0NGE1NGJjZGY2NzAzIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MTI5In0sImlzcyI6IlBlYXJzb24gLSBTY290dCBUZXN0IEFHUyIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDMwNi9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcwMzk0ODcxLCJleHAiOjE3NzAzOTUxNzEsImp0aSI6ImU5Y2MzNDUxY2Y0ZDQ3ZjIxZGQwIn0.O_C3hJdKEbygxm6lKyH8a_MkW2LSpCxOJfleUDKPnuQqks54TdivivFhD3cW-Yj4xOI9cT9XaqhKCEknJidioM0tV269eq5cDu4FSjplVISBAnZZTfsULooQ5sJxGSTmcS_3tYyTINP3fJT3Jjv9XSAY1FWFwrOuWSmqM6lkBsJBW1dtVEy5e6P8zVs6EyUcWyd2WduwTpcGkP9rlKb7D7Ck4dYkySYs1450nQRXmWxkUOAB2_SDdi4lQCfrG_1c8orqx_Cx6QBMsvylEkWshEaIhr-PgI9KNsHlcQP_gk_p3j3G94aA-VfUQ0jkn0OzYbpUp0oMAlU3Vw1B3qRhAQ (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: acb6cc444a54bcdf6703 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
Send GET Request