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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2721/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: just a tribute (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImY4YkQtUElGNm9FQmlueVBGSnRVT0k0d3VTbXBQU1VaWXV0Z01fV3FEUEkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6IjNmYjJkOTZmNDVmOTE0MGI4NjRlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NDIwMTIyMywiZXhwIjoxNzc0MjAxNTIzLCJqdGkiOiJjMzdlNjU2NzY1MzkzMzRkZjBkNSJ9.hwSU87TfwhfZjJwHW0rdFvfVXIRw5xl18B_iCvrDLVqdcUd53DVhm_mP3Ee2gXpobd8brt-EseqyR-BFRJwCgrTaXGIzrHyZfp_NGljlwrgDWcUXHHX9RyIa32UbiKR8OuMM5hqdzUFrYt2c-hJMU2pGh_BeXaK-3-XKvjkaC0VTpF7mYa5xM7EDpgW6z3mEq5sdfGhszaF1xbI5is_FhVFRo_JEqyn9RPWfovstOUPJhLNpbCMiTZ-byPAy8IyDPO8yMIM36VzvwAbbUnDSc6GbK_NJBvXAosfuTwEaJquhoBmMRH7jnA6M9jG7RBTw6WkFNgdRFgbMewo8MuO1Ww (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: 3fb2d96f45f9140b864e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)