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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4129/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InE5QjhpV3VJYk9CVzhOanUwVHBQVVZaVDVtUHJpU05sY3JiQ0F0UkJLcWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MTI5LCJzdGF0ZV9ub25jZSI6Ijc2NzNlNjZiMjNhMGIxZThmMmQ0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MTI5In0sImlzcyI6IlBlYXJzb24gLSBTY290dCBUZXN0IEFHUyIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDMwNi9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzkyMjQ5ODU1LCJleHAiOjE3OTIyNTAxNTUsImp0aSI6IjNlNDFmOWJkMjMzMDdmNTI3YzgyIn0.URpT1KdgTZ8DC1qX35eeSA2sqPpHmrFBGSf9A2vf8FpgRwt-HaPn61tPBMBRhAFzlZ5ZdZ_D7fUt-WBppAq9bOu6DXOU1Y8L2SbmADdcBOAuFZ1cT5IGQbYDXzKogcbOhXyCEKjSLve7SZxt9LetgxLsMaAzWFES1XAHawKT-0IdKFJiDRbh2AVNc0jiERGM7kAHozl-rV6iEf1FhVqUiVIoyavedOX_foiiq4-JOtDEp-Q40ynMOaar5WKYSDktnHkfubFliFqh0Bo5-giDtA87uSwrs4UZcmg5bY8iHH88PmySVqP1WXuDzGXqDvFYIBtL6ESs0eXk7bpie4mIMQ (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: 7673e66b23a0b1e8f2d4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)