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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1821/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNYUGpOdVlDVjVwWXFKUmpaU2FURzNyQzlZUjEzcV9tOVRTSHlwTXNKQTAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODIxLCJzdGF0ZV9ub25jZSI6ImU0ZTA0OTgwYjIwZjgxZDA3Yjc0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODIxIn0sImlzcyI6IkxhbGFuZGUgT3B0aW1pemVyIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTcwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzQwMDk5NzksImV4cCI6MTc3NDAxMDI3OSwianRpIjoiMzdjMmQ2ZDQyZDE5NDg4OWMyODcifQ.XkCzPLhQ5AHoFpb0nvT5ex3HKrv_rBb5IxnI7CKiTlhCECW-GeFXisDMAv9I4mY_sIFs4g54OqlUlt0XArQ5kvhNkXM4_aI9nwWp3Gf8JeuoGxorOOBtxDhuY62TuvGvWwu1SdQiYfUgUqxKTFMWghXbTQqh25mpcLZQqAT89Y4NXI_Giu-ARZFCJn5VQNJDM6TOtl6VBwiIsTIRYkJUjWK7aHmbhKK5AQZmRVOKwEAPB2IZ5U8vsNuANQH3WEX6sNoyqfp2Gn8_6BGwAh7yoPPZjub2a64Ln06FN9GTZHSfqyP12-dVGv7ubIzIsndUH_ef55TfYAthAt8uptKs_w (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: e4e04980b20f81d07b74 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)