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 (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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InE5QjhpV3VJYk9CVzhOanUwVHBQVVZaVDVtUHJpU05sY3JiQ0F0UkJLcWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MTI5LCJzdGF0ZV9ub25jZSI6ImJkOTMwYjJkNDJhYWQyMzRjZWVlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MTI5In0sImlzcyI6IlBlYXJzb24gLSBTY290dCBUZXN0IEFHUyIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDMwNi9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcwMjkwOTU4LCJleHAiOjE3NzAyOTEyNTgsImp0aSI6IjgyZGY0NGIwMjVhZTNmMDU3YzJlIn0.mZE__9xROH6dQrrIs_x5n4sGx3CBB2JI3zU9gfwSIPyKy-DUYywHEVLl4dWx6noXJZoVODS3P9B1a8AbBcmCP-jnQAQlyQ_WUXZsKWFnVahDm0bmj6qLynwJ2OnQBDFcDYS6_YHwWNGjh7-nPhngxzqM5cBT-CaR5csC6AUIw63oIew8ei28HhEPz5JAHdAPVhu3bSv-GkGvq8xQsZU0CqKB8MKq87lu0IdGexP42STwCjt-LY1xDOshAgncsqAn0NX7SSk329SwbKyleOpLdbwtRw1dl12hbqN4cLt6se5972qPF17dHA5ZZDzFz0R9DPFhrdRgEMHjmpOx4_UmNg (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: bd930b2d42aad234ceee (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)