# LoggingConfig
<a name="API_LoggingConfig"></a>

The function's Amazon CloudWatch Logs configuration settings.

## Contents
<a name="API_LoggingConfig_Contents"></a>

 ** ApplicationLogLevel **   <a name="lambda-Type-LoggingConfig-ApplicationLogLevel"></a>
Set this property to filter the application logs for your function that Lambda sends to CloudWatch. Lambda only sends application logs at the selected level of detail and lower, where `TRACE` is the highest level and `FATAL` is the lowest.  
Type: String  
Valid Values: `TRACE | DEBUG | INFO | WARN | ERROR | FATAL`   
Required: No

 ** LogFormat **   <a name="lambda-Type-LoggingConfig-LogFormat"></a>
The format in which Lambda sends your function's application and system logs to CloudWatch. Select between plain text and structured JSON.  
Type: String  
Valid Values: `JSON | Text`   
Required: No

 ** LogGroup **   <a name="lambda-Type-LoggingConfig-LogGroup"></a>
The name of the Amazon CloudWatch log group the function sends logs to. By default, Lambda functions send logs to a default log group named `/aws/lambda/<function name>`. To use a different log group, enter an existing log group or enter a new log group name.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 512.  
Pattern: `[\.\-_/#A-Za-z0-9]+`   
Required: No

 ** SystemLogLevel **   <a name="lambda-Type-LoggingConfig-SystemLogLevel"></a>
Set this property to filter the system logs for your function that Lambda sends to CloudWatch. Lambda only sends system logs at the selected level of detail and lower, where `DEBUG` is the highest level and `WARN` is the lowest.  
Type: String  
Valid Values: `DEBUG | INFO | WARN`   
Required: No

## See Also
<a name="API_LoggingConfig_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/lambda-2015-03-31/LoggingConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lambda-2015-03-31/LoggingConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lambda-2015-03-31/LoggingConfig)