# Stairs
<a name="API_Stairs"></a>

Defines the stairs traffic pattern for an Inference Recommender load test. This pattern type consists of multiple steps where the number of users increases at each step.

Specify either the stairs or phases traffic pattern.

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

 ** DurationInSeconds **   <a name="sagemaker-Type-Stairs-DurationInSeconds"></a>
Defines how long each traffic step should be.  
Type: Integer  
Valid Range: Minimum value of 1.  
Required: No

 ** NumberOfSteps **   <a name="sagemaker-Type-Stairs-NumberOfSteps"></a>
Specifies how many steps to perform during traffic.  
Type: Integer  
Valid Range: Minimum value of 1.  
Required: No

 ** UsersPerStep **   <a name="sagemaker-Type-Stairs-UsersPerStep"></a>
Specifies how many new users to spawn in each step.  
Type: Integer  
Valid Range: Minimum value of 1. Maximum value of 3.  
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/sagemaker-2017-07-24/Stairs) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/Stairs) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/Stairs)