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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1991/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjdjOTk0MzVmNWNlNzQ3MDQwZjBhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4OTY4MjQ4OCwiZXhwIjoxNzg5NjgyNzg4LCJqdGkiOiI2MjI4OTBkMDc1YTQ0ZDBhMTJjNyJ9.KjRCmdQnsH_Mwc_csQH_-GrBws_ulwDiQ1Xe8NlRyjYta8Nab_s2lfQgeoZFoEIuO9wS9Z3CP1OC0q70dDt8Jn_g8-kPO64q_6hBVoNmDy6zobsuz5HE9Dpl7lYI0r-1DS3lgCyBoKp1pg6YORDq2KQWnb-MrKqzuIKaKrDxcb3BalT2ZFtO3WFQEG6s2EMbtiVyw_HtTYlpUpF_c1nCqYbBWipGtDm58oKwrvu7Oy-2CXGvq8aAcARgHfbVkCVgIJ2QNczc8eUDvr-vk0bgVsGEhWac9ZON87CS6WvHUI_SCVFzBKCQ8gis5rs-VfLJAycXw8LMSMArTxa5tbnYqg (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: 7c99435f5ce747040f0a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)