CloudWatch Logs Attributes

1min

Use the following attributes to get relevant data from your CloudWatch logs.
Attribute 
Description
@functionName
Name of the Lambda function
@version
Lambda function version
@region
Region in which the function is hosted 
@accountId
AWS account Id
@requestId
Invocation Id of Lambda
@logGroup
CloudWatch logs group name 
@logStream
CloudWatch Log stream name
@type
Type of message in your log: 
Report - Log line contains REPORT
Start - Log line contains START
End - Log line contains END
@functionError
Lambda invocation errors, such as:
crash  (Unhandled error)
timeout  (Function timed out)
early_exit  (Runtime exited with error)
@duration
Time taken to execute the Lambda function
@billedDuration
Time for which the Lambda execution is billed 
@memorySize
Allocated memory for the Lambda function
@maxMemoryUsed
Total memory used by the Lambda function
@traceid
Trace Id from AWS X-Ray
@segmentid
Trace subsegment Id
@coldStartDuration
Coldstart duration of the Lambda function
﻿

Attribute	Description
@functionName	Name of the Lambda function
@version	Lambda function version
@region	Region in which the function is hosted
@accountId	AWS account Id
@requestId	Invocation Id of Lambda
@logGroup	CloudWatch logs group name
@logStream	CloudWatch Log stream name
@type	Type of message in your log: Report - Log line contains REPORT Start - Log line contains START End - Log line contains END
@functionError	Lambda invocation errors, such as: crash (Unhandled error) timeout (Function timed out) early_exit (Runtime exited with error)
@duration	Time taken to execute the Lambda function
@billedDuration	Time for which the Lambda execution is billed
@memorySize	Allocated memory for the Lambda function
@maxMemoryUsed	Total memory used by the Lambda function
@traceid	Trace Id from AWS X-Ray
@segmentid	Trace subsegment Id
@coldStartDuration	Coldstart duration of the Lambda function

Did this page help you?

CloudWatch Logs

OpenTelemetry Logs