# OTelEnrichmentMetricSelector
<a name="API_OTelEnrichmentMetricSelector"></a>

Selects the metrics in one namespace, for use in the `IncludeFilters` or `ExcludeFilters` parameter of [StartOTelEnrichment](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_StartOTelEnrichment.html) or [UpdateOTelEnrichment](https://docs.aws.amazon.com/AmazonCloudWatch/latest/APIReference/API_UpdateOTelEnrichment.html).

A maximum of 100 selectors is allowed across `IncludeFilters` and `ExcludeFilters` combined.

## Contents
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 ** Namespace **   <a name="ACW-Type-OTelEnrichmentMetricSelector-Namespace"></a>
The namespace of the metrics to select. Namespaces are matched exactly and are case-sensitive.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `[^:].*`   
Required: Yes

 ** MetricNames **   <a name="ACW-Type-OTelEnrichmentMetricSelector-MetricNames"></a>
The names of the metrics to select within the namespace. Metric names are matched exactly and are case-sensitive. If this parameter is omitted, every metric in the namespace is selected.  
A maximum of 100 metric names is allowed for each selector.  
Type: Array of strings  
Array Members: Minimum number of 0 items. Maximum number of 100 items.  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/monitoring-2010-08-01/OTelEnrichmentMetricSelector) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/monitoring-2010-08-01/OTelEnrichmentMetricSelector) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/monitoring-2010-08-01/OTelEnrichmentMetricSelector)