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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3298/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: what-should-go-here-client (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhVMTRCNW9GSzJJN2lCekFkbE1OSVcxX3YxZE81OVVKYldHWDBIcXcwcGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozMjk4LCJzdGF0ZV9ub25jZSI6IjMyNWQ5YzE2M2JkYmM5ZDFiNjE5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMjk4In0sImlzcyI6IkdyYWRlQ2FtIEdyYWRpZW50Iiwic3ViIjoid2hhdC1zaG91bGQtZ28taGVyZS1jbGllbnQiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zNjMxL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzcxMzAwNzYsImV4cCI6MTc3NzEzMDM3NiwianRpIjoiNzk4NzY1ODMxMTNiMmQ4NjNjZDcifQ.o7-qt_RZh55n-dtr4KXTbiBdvyoh_9FpgezMeeoK43o_DYYK0RCmu_TlZCbO1jOOSGWwUignbYgjlxJLpAztcAdd26VOkso99QylSrrDWK0TDbXpUAlnVNFgleKNRvcE5sXJQvYxV81q0VAqLrg0nS8Y8gBMBDaowuXbISKeS9jWMr1NXS5nTN8xdYax_7ktXkMk03e0d9lEwrxIQEZ83u5h0e3LNw4uLGR_a3JNUPQ-tadX712zu7uyPjZAeH8JOsRUGKIpHU5v-5Zs2i-n4Kbx-cgN2ZhGvFdTt3V9ok6TBVrCZoPgSpKc0HxiPdiySvorASdjJfBCQWVxerd-FQ (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: 325d9c163bdbc9d1b619 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)