# Metric
<a name="API_Metric"></a>

This structure defines the metric used for a service level indicator, including the metric name, namespace, and dimensions

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

 ** Dimensions **   <a name="applicationsignals-Type-Metric-Dimensions"></a>
An array of one or more dimensions to use to define the metric that you want to use. For more information, see [Dimensions](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_concepts.html#Dimension).  
Type: Array of [Dimension](API_Dimension.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 30 items.  
Required: No

 ** MetricName **   <a name="applicationsignals-Type-Metric-MetricName"></a>
The name of the metric to use.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Required: No

 ** Namespace **   <a name="applicationsignals-Type-Metric-Namespace"></a>
The namespace of the metric. For more information, see [Namespaces](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_concepts.html#Namespace).  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `.*[^:].*`   
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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/application-signals-2024-04-15/Metric) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/application-signals-2024-04-15/Metric) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/application-signals-2024-04-15/Metric)