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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3321/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: 123456 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImI3UnRlTU10d05XSmYyX1NLQXhWdllKN3R4dEFxMDBMdVhXRFl1Ym01cVEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozMzIxLCJzdGF0ZV9ub25jZSI6IjE1Mjc2NDMzNjVjMWViNDQyYzMyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMzIxIn0sImlzcyI6Ik9yY2hpZCBUZXN0IDEuMyIsInN1YiI6IjEyMzQ1NiIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM2NTUvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3OTgzMzYxMywiZXhwIjoxNzc5ODMzOTEzLCJqdGkiOiIyMDczNWIwYmQ2NmM2YmI5ZDU4YSJ9.e9sVn9TnDe4U81awPAUMN9PgeoUWsQkdR8lhGO2iGYOTHRQC_8cx2fOGz0gT13iLOqtw1tIjgVAV7ORgmJz7Ju17iX_zNsyVJoyP9i4v-Fk4X5BGC2uo7W061FU3cz07z38clK4woxBDHsZhRu10vqIOvvGVYRsI-oVNTnsZIii1vfx9Fy3qP_xPIh7Dgr4B2AK9pGYTXGMFWfQCSqST6rxMvXPXLwTILW7ifurvp-m8afu-34O4GuM6vv4t95N8Nz5UjYjM2nX0C0kDYFsKPvCSOE2AFK_2rvmxmocaKAzRhNLj-x9B34lGVN_bMgbGszp5BMM0p9xw-TMCDvsdug (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: 1527643365c1eb442c32 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)