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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4503/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImpmZ202YlphSkJ5bW40Q1BOTUd0cVI3NjZoSUJyN3hUV1ZMX2FjRE4tdW8iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NTAzLCJzdGF0ZV9ub25jZSI6Ijc3NmQyZmEwZDRjNzU1OGNlZWNiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NTAzIn0sImlzcyI6IlRvb2wgZm9yIHRlc3QgMTExIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80NTgwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI0ODM1NTMsImV4cCI6MTc4MjQ4Mzg1MywianRpIjoiMWRkNzcyNDhhZjZhY2FmYjE3MGUifQ.LmQ7iXw8CzL7LLc6Q7B87tJsi3S9tsopd6nhjOkW3Dh3QpLCqftApedMVnmI47e0njuCI1Y_x5yIStCLD3WxygUsC2Q2FLhFpFRqgXTPSaQw643lDV1e3DNjxSIXnlChIqU-JtUAqJPsGzU6gUJ41tWaOHGY-qobODbEo9VhSmFdXuT6E-G13-bvth9fVxYr_rKL8_GgGbUSxBP2lfJuQf3Rsd5wTLSAluMKRiRpXPz7aFf2r66_5oTbWztXv-1DVI2nWwTZ4z30LQlo02rGNJmUGMwzNlPt2N6UpX3XOKM4Ljt5-ZzJAdlA9gS01QG38hZQXFav68aAm5JYcE6LqA (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: 776d2fa0d4c7558ceecb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)