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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4428/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhGelBmckNHRjE3MzdiZ1JnVko0dDdzQkZabjc3Q0hZakFOaGwtNFZUaFUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NDI4LCJzdGF0ZV9ub25jZSI6ImE1OGZlMzg2NmQ0M2U1ZjA1ZGMxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NDI4In0sImlzcyI6IlRpYm8gTVRIIFRvb2wiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ1MTUvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NTU3NTU1MywiZXhwIjoxNzc1NTc1ODUzLCJqdGkiOiI4MWU5MGQwYmFhMDBjNGJiOTAzMSJ9.L_1vwuTKvyNTPhVRdGEzz_Ik7Ioxdc8Rc4zhTmYDtjvOVnl73lW9WeY0w80QNce4R0D8kGsvkOq3NtvmbvfDoveck3FKB0TyIQCKzHQ5kVsAwH_SzFlJGvmAVTUAn7LwURqH9NKsR73bSWXVw3Z3AKGa1X-9T1TUWVkDfT7iIXOw3scTpy9-aodFpUlMoOpucPkKkRBQNE78Buid7KgoOu5ABx_XRG3dny3WdbCRdxiscOnpynmUWaV9SKupWMpmR7PERTTkrO0KZj_bBLUXgJlt8pDuq10Ztu7WXGdV1Q8GJYOSBqIxxC3zseUOJFX-R78h4VKwEZbkFIP185pgxQ (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: a58fe3866d43e5f05dc1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)