local raven = require "raven"

    -- http://pub:secret@127.0.0.1:8080/sentry/proj-id
    local rvn = raven.new {
        -- multiple senders are available for different networking backends,
        -- doing a custom one is also very easy.
        sender = require("raven.senders.luasocket").new {
            dsn = "http://pub:secret@127.0.0.1:8080/sentry/proj-id",
        },
        tags = { foo = "bar" },
    }

    -- Send a message to sentry
    local id, err = rvn:captureMessage(
      "Sentry is a realtime event logging and aggregation platform.",
      { tags = { abc = "def" } } -- optional
    )
    if not id then
       print(err)
    end

    -- Send an exception to sentry
    local exception = {{
       ["type"]= "SyntaxError",
       ["value"]= "Wattttt!",
       ["module"]= "__builtins__"
    }}
    local id, err = rvn:captureException(
       exception,
       { tags = { abc = "def" } } -- optional
    )
    if not id then
       print(err)
    end

    -- Catch an exception and send it to sentry
    function bad_func(n)
       return not_defined_func(n)
    end

    -- variable 'ok' should be false, and an exception will be sent to sentry
    local ok = rvn:call(bad_func, 1)