Log Object

_id ObjectId	Log object instance identifier
org ObjectId	Org identifier
req ObjectId	Request identifier
pid ObjectId	Principal Identifier - The principal is the authenticated entity that issued the request
oid ObjectId	Original Principal Identifier - The original principal is the authenticated entity that issued the first request. The "run as" argument of scripts could make the pid different from oid.
beg Date	Start date of this log instance
end Date	End date of this log instance
exp Date	The expiration date of this log instance. This is set to 30 days from the beg date. To have logs persist longer, please contact support.
sts Number	HTTP status code (like 2xx, 3xx, 4xx)
src Number	logger: 0 api: 1 script: 2 request: 3 audit: 4 deployment: 5 export: 6
lvl Number	error: 0 warn: 1 info: 2 debug: 3 trace: 4
trc Document	Stack trace (file, line number, function)
err Document	Error details (error name, message, reason, faults, etc)
in Number	Total bytes in
out Number	Total bytes out
sid ObjectId	Script identifier
stp String	Script type (like "route", "trigger", etc)
ops Number	Number of operations used in the script
ctt Number	Total number of HTTP callouts used in the script
cms Number	Total milliseconds of HTTP callouts in the script
adr Number	Source IP address
mtd Number	Request method GET: 0 POST: 1 PUT: 2 DELETE: 3 HEAD: 4 OPTIONS: 5 PATCH: 6
url String	Request URL path
que Any	Request query params
rte String	API route
aid ObjectId	App ID
cid ObjectId	App client ID
ses String	Session ID
lid ObjectId	Location ID
dat Any	Any data passed in via the Logger
op Number	Operation Code set: 1 remove: 2 // remove a property value push: 3 pull: 4 delete: 5 // delete an instance auth: 6 // authentication event transfer: 7 // ownership transfer device: 8 // new device registered for account access: 9 // instance access granted/removed
ctx ObjectId	Context ID
obj String	Object Name
ads Number	Audit Source request: 1 script: 2 system: 3
acs Number	Natural Access
grt Number	Granted Access
pts String	Updated Paths
pis ObjectId	Updated Property Identifiers
dpl ObjectId	Deployment Identifier

Example Log Object

{
  "_id": "59433e6a8cb4760100c7216e",
  "adr": 1187315762,
  "aid": "5810f6e4cc761537539d3e2c",
  "beg": "2017-06-16T02:11:54.702Z",
  "cid": "5810f6e4cc761537539d3e2d",
  "end": "2017-06-16T02:11:55.199Z",
  "err": {
    "faults": []
  },
  "in": 417,
  "lvl": 2,
  "mtd": 0,
  "out": 525,
  "pis": [],
  "pts": [],
  "que": {
    "c_public_user": "593b2a2f9a8ca001000f0435",
    "c_study": "58faa94410cc4501001fe779"
  },
  "req": "59433e6a81ae9d0100e9fca7",
  "rte": "/routes/get_public_group*",
  "src": 3,
  "sts": 200,
  "trc": [],
  "url": "/routes/get_public_group"
}