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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2455/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: tool_client_id (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhUVjU1U2VJamwtUHNwV0VPVWMtWmFmVGZGNTJPb3BydEItNFBGMFQxWFUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNDU1LCJzdGF0ZV9ub25jZSI6ImE2MWE1YzYzOGFkMmMwZGQ0MWEwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNDU1In0sImlzcyI6IkRhdmlkZSBUb29sIiwic3ViIjoidG9vbF9jbGllbnRfaWQiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yNzMxL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTA0MDM0MDEsImV4cCI6MTc5MDQwMzcwMSwianRpIjoiYmQ1YWE4YjQwNmNlM2VjYmExNDIifQ.WV1AKepYuBm2LVcRPrgejT2iYPt6YkDf3FAkwyV-ZBQfJSBQbMjXikaDaN7LqfIyFMq4hEYtovyRz81Cx17O0YWSMHdLc-PBhZNtXaQV85lXFrv8c3PDhMhNvFJyH8mMPqnlcl4asrg_RUcSlNrJXOrvlXeopuixFdC9otEI5IjDgff5f_n3snJmGihQEeM2LGVc7XytF-1f3mArLn0dB7NF17PcWkw58TseB7j9d_G536xuKmD1M9gs-x33jjc70dOMA0cVo83lIxOaDDrzDSLFLXIfhN_YDzP82oQcIkUUQzrJ2lCE6a6DlZi3C6xQVWI4-mfYY4queWULfP6dRQ (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: a61a5c638ad2c0dd41a0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)