# Definition
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Information about deployment details based on the deployment type.

## Contents
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 ** Checksum **   <a name="sagemaker-Type-edge_Definition-Checksum"></a>
The checksum information of the model.  
Type: [Checksum](API_edge_Checksum.md) object  
Required: No

 ** ModelHandle **   <a name="sagemaker-Type-edge_Definition-ModelHandle"></a>
The unique model handle.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 63.  
Pattern: `^[a-zA-Z0-9](-*[a-zA-Z0-9])*$`   
Required: No

 ** S3Url **   <a name="sagemaker-Type-edge_Definition-S3Url"></a>
The absolute S3 location of the model.  
Type: String  
Length Constraints: Maximum length of 1024.  
Pattern: `^s3://([^/]+)/?(.*)$`   
Required: No

 ** State **   <a name="sagemaker-Type-edge_Definition-State"></a>
The desired state of the model.  
Type: String  
Valid Values: `DEPLOY | UNDEPLOY`   
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-edge-2020-09-23/Definition) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-edge-2020-09-23/Definition) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-edge-2020-09-23/Definition)