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.eyJ0b29sX2lkIjozMjk4LCJzdGF0ZV9ub25jZSI6ImM2ZTRiMTA4NzI2N2IyODNjYjY0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMjk4In0sImlzcyI6IkdyYWRlQ2FtIEdyYWRpZW50Iiwic3ViIjoid2hhdC1zaG91bGQtZ28taGVyZS1jbGllbnQiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8zNjMxL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk4MjM1NzQsImV4cCI6MTc3OTgyMzg3NCwianRpIjoiZTFmNDlmM2Q3MmM0NTcwY2VkZTkifQ.aFBXDIyzzg0SM_Eqy5mlNU9HkQP9GNtdQ8zfA2YyReW8vKHwbCTlmnMNbPE8-iZ6h0k7FWAuL4GX5GyvtufEgpNxZdnCCx_DhU3bCtKgQ12bJgaUaQ8pwx5IPzTooJ9ZRFSZ3DYqEGR2CVPXUn29xx9UhkYbkuasFvitf2VMgfiuPD2ZVq4HHP4WzGdE708PacPMXT3RcfSu54vR5iuIDnbD2ybdKlck9kHVIlAj4VqLiDP4gMsnnKXRhmtydeL2UNNRMv_suXUsOmktScVjbrMa8dnqQZF3PDWS4z4p9mGwNcPPjOhfJkItB5s--2Q9Rx7klatMBx2hjwAAXRTRVA (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: c6e4b1087267b283cb64 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)