# ConfigurationOptionDescription
<a name="API_ConfigurationOptionDescription"></a>

Describes the possible values for a configuration option.

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

 ** ChangeSeverity **   
An indication of which action is required if the value for this configuration option changes:  
+  `NoInterruption` : There is no interruption to the environment or application availability.
+  `RestartEnvironment` : The environment is entirely restarted, all A resources are deleted and recreated, and the environment is unavailable during the process.
+  `RestartApplicationServer` : The environment is available the entire time. However, a short application outage occurs when the application servers on the running Amazon EC2 instances are restarted.
Type: String  
Required: No

 ** DefaultValue **   
The default value for this configuration option.  
Type: String  
Required: No

 ** MaxLength **   
If specified, the configuration option must be a string value no longer than this value.  
Type: Integer  
Required: No

 ** MaxValue **   
If specified, the configuration option must be a numeric value less than this value.  
Type: Integer  
Required: No

 ** MinValue **   
If specified, the configuration option must be a numeric value greater than this value.  
Type: Integer  
Required: No

 ** Name **   
The name of the configuration option.  
Type: String  
Required: No

 ** Namespace **   
A unique namespace identifying the option's associated AWS resource.  
Type: String  
Required: No

 ** Regex **   
If specified, the configuration option must be a string value that satisfies this regular expression.  
Type: [OptionRestrictionRegex](API_OptionRestrictionRegex.md) object  
Required: No

 ** UserDefined **   
An indication of whether the user defined this configuration option:  
+  `true` : This configuration option was defined by the user. It is a valid choice for specifying if this as an `Option to Remove` when updating configuration settings. 
+  `false` : This configuration was not defined by the user.
 Constraint: You can remove only `UserDefined` options from a configuration.   
 Valid Values: `true` \$1 `false`   
Type: Boolean  
Required: No

 ** ValueOptions.member.N **   
If specified, values for the configuration option are selected from this list.  
Type: Array of strings  
Required: No

 ** ValueType **   
An indication of which type of values this option has and whether it is allowable to select one or more than one of the possible values:  
+  `Scalar` : Values for this option are a single selection from the possible values, or an unformatted string, or numeric value governed by the `MIN/MAX/Regex` constraints.
+  `List` : Values for this option are multiple selections from the possible values.
+  `Boolean` : Values for this option are either `true` or `false` .
+  `Json` : Values for this option are a JSON representation of a `ConfigDocument`.
Type: String  
Valid Values: `Scalar | List`   
Required: No

## See Also
<a name="API_ConfigurationOptionDescription_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/elasticbeanstalk-2010-12-01/ConfigurationOptionDescription) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/elasticbeanstalk-2010-12-01/ConfigurationOptionDescription) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/elasticbeanstalk-2010-12-01/ConfigurationOptionDescription)