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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2218/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im1rNjdITEJrUEwxZ0U3SXdTcWNSSEFla2owX0xwcm9XMjJaVGZWb3o1VE0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjE4LCJzdGF0ZV9ub25jZSI6IjMzMzUwOWZiMzRiNzcwZWEyZDc3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjE4In0sImlzcyI6IlVuaXF1ZV90b29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yNDc5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI0NDg2MTYsImV4cCI6MTc4MjQ0ODkxNiwianRpIjoiMzU5YjZjZDYxMDNhNmVlMjZmNmEifQ.WZyQ5_i9xputvcCPF8HzhcsEUVWEV5ooRQ_pAO3Y4eGTy-QOFrgb0Td9VR7PR5tkXCm48raJ52gpZ4zTYCVcJQConC26naN3lvNGNwBhspiZqjEMM6JcQFqP1a7BvqRvOkg3Eoq0U4iFRboesZNXGr3m_Ns2fNM7ugFaYZveullFPEETd6Vh0Q1Ayfn8ZgceiVXPfYKuo3VkBN1ztLiV1_neU1vdsD9Szc9VRwoxogFq8pscShi_6SsyjJusE3nlbFAFO3MRpgETxvaav2Yux8_3L47uAx7fE3GOURfTeHblpb2WoZYn20iVz-F6Ct61sSX5x2tuWoEBunVXNEjsVw (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: 333509fb34b770ea2d77 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)