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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4621/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkgxaHg5ZFVsMC05bDVhc0xZMVR4NzhSVUQ2REhhb01lOU9PcGZuUm9zbEUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6IjNmNjY5ZmRiZjgzZGRhNjBiZDM2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODUzNzA3OTksImV4cCI6MTc4NTM3MTA5OSwianRpIjoiM2Y1MzM2ODA1NTgzY2MwNmY3ZjcifQ.oyJWfsMOHk8aEhRj1RNbRYxtEPDB5i1-GpzQeoC5mvPTdPs1LlY9vTWYFpreQ6748J6zM4QR8GhnN-MrVBsgMkOpLStAaqGTHhtce1n4Ds7euWDAy_Osxz8mn7ZslIjELjABApnedpRdKOkIPt6spSZcT1EQsD6zGNtCZJkKn9qmlL3XAiabiewntObKxHyqG9FmwgFoUFZYXW-GN4C4O0SUC_TRTz-KrCHECD_L_SjEYKzdbuFQ40FoICI89fmFY9sWvI8VMXJ6z78P3P7tbwH09GERUHOnYx7HGMHLyR1UNR3wDkaUvQm52WOv4DDm38PznohJYa0z0CdNT5ZmcQ (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: 3f669fdbf83dda60bd36 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)