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.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjE1NmFmNmY4NTRjYjI2MWZjOWU4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc2NjkzNjE4NywiZXhwIjoxNzY2OTM2NDg3LCJqdGkiOiI4MDM3Y2RkZjdiOTJmZWU4N2IzNSJ9.pfi2fNSfxWXlX2wBGpZDD1V9H649bfpJdxVkxoZacvWSUV0eKxxNFCPmqHg_-bIK0q3LvkUjOCUSB375xgfepCJgV5jlHTOPdVeTpOhrypDiPJB5Ku9EhIKxM4HliHem1rWAlfsGNzJv9_DGuK4j5gQpJQoJM-qUXVRva0U_VcKVvUNMZeX7Pc6KlkF4uiuu3-ylZ_bDRQyt0t0ibrWMbVBj0jpy96-lpzaXlW8zQ8tdn9PxRUrD3ZPw_aLtT4An4UcBE4YqDAL-_23wfDGqp-DjoVMW21L_dfB5nY1ZM0bfSUmI6BSdbDNz07KlZTrcmvNcJcuAKMcretXkWB431w (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: 156af6f854cb261fc9e8 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)