# Parameter
<a name="API_Parameter"></a>

An AWS Systems Manager parameter in Parameter Store.

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

 ** ARN **   <a name="systemsmanager-Type-Parameter-ARN"></a>
The Amazon Resource Name (ARN) of the parameter.  
Type: String  
Required: No

 ** DataType **   <a name="systemsmanager-Type-Parameter-DataType"></a>
The data type of the parameter, such as `text` or `aws:ec2:image`. The default is `text`.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 128.  
Required: No

 ** LastModifiedDate **   <a name="systemsmanager-Type-Parameter-LastModifiedDate"></a>
Date the parameter was last changed or updated and the parameter version was created.  
Type: Timestamp  
Required: No

 ** Name **   <a name="systemsmanager-Type-Parameter-Name"></a>
The name of the parameter.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Required: No

 ** Selector **   <a name="systemsmanager-Type-Parameter-Selector"></a>
Either the version number or the label used to retrieve the parameter value. Specify selectors by using one of the following formats:  
parameter\$1name:version  
parameter\$1name:label  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 128.  
Required: No

 ** SourceResult **   <a name="systemsmanager-Type-Parameter-SourceResult"></a>
Applies to parameters that reference information in other AWS services. `SourceResult` is the raw result or response from the source.  
Type: String  
Required: No

 ** Type **   <a name="systemsmanager-Type-Parameter-Type"></a>
The type of parameter. Valid values include the following: `String`, `StringList`, and `SecureString`.  
If type is `StringList`, the system returns a comma-separated string with no spaces between commas in the `Value` field.
Type: String  
Valid Values: `String | StringList | SecureString`   
Required: No

 ** Value **   <a name="systemsmanager-Type-Parameter-Value"></a>
The parameter value.  
If type is `StringList`, the system returns a comma-separated string with no spaces between commas in the `Value` field.
Type: String  
Required: No

 ** Version **   <a name="systemsmanager-Type-Parameter-Version"></a>
The parameter version.  
Type: Long  
Required: No

## See Also
<a name="API_Parameter_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/ssm-2014-11-06/Parameter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ssm-2014-11-06/Parameter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ssm-2014-11-06/Parameter)