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Function Logs

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Overview

Function logs are created whenever a user calls a MongoDB Stitch Function via the Stitch SDK. While Functions can be executed via a Trigger, only functions directly called via the SDK generate logs of the Function type.

Log Format

Function log entries have the following form:

copy 
Logs:
[
   <log line>,
   <log line>,
   ...
]

{
   "arguments": [
      <arg1>,
      <arg2>
   ],
   "name": <function name>,
   "service": ""
}

Function Call Location: <location>

Compute Used: <number> bytes•ms

Remote IP Address: <ip address>

SDK: <sdk>

Platform Version: <version>

Fields

Field Description
Remote IP Address The IP Address that sent the request to MongoDB Stitch. (e.g. 52.21.89.200)
Compute Used The computational load of the operation.
Platform Version The version of the platform that sent the request.
SDK

The SDK used to send the request. Potential values include any Stitch Client SDK. For a browser, this is <browser> <SDK version>.

Example

This request came from the Stitch JS Browser SDK version 4.0.0 running on Mozilla Firefox

copy 
SDK: firefox v4.0.0

This request came from the Stitch Android SDK version 4.6.0 running on Android Marshmallow:

copy 
SDK: android v4.6.0
Function Call Location The data center in which the function was executed.
Logs A list of console.log outputs. Stitch saves the first 256 bytes of the first 10 console.log() calls.

Error Fields

Log entries created by unsuccessful operations may feature additional fields for debugging purposes. These include the following:

Field Description
Error A brief description of an error.
Stack Trace A printout of an exception stack trace.
Details Extra information about an execution, including action, reason, service name, and service type.

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