# RelationalDatabaseParameter
<a name="API_RelationalDatabaseParameter"></a>

Describes the parameters of a database.

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

 ** allowedValues **   <a name="Lightsail-Type-RelationalDatabaseParameter-allowedValues"></a>
Specifies the valid range of values for the parameter.  
Type: String  
Required: No

 ** applyMethod **   <a name="Lightsail-Type-RelationalDatabaseParameter-applyMethod"></a>
Indicates when parameter updates are applied.  
Can be `immediate` or `pending-reboot`.  
Type: String  
Required: No

 ** applyType **   <a name="Lightsail-Type-RelationalDatabaseParameter-applyType"></a>
Specifies the engine-specific parameter type.  
Type: String  
Required: No

 ** dataType **   <a name="Lightsail-Type-RelationalDatabaseParameter-dataType"></a>
Specifies the valid data type for the parameter.  
Type: String  
Required: No

 ** description **   <a name="Lightsail-Type-RelationalDatabaseParameter-description"></a>
Provides a description of the parameter.  
Type: String  
Required: No

 ** isModifiable **   <a name="Lightsail-Type-RelationalDatabaseParameter-isModifiable"></a>
A Boolean value indicating whether the parameter can be modified.  
Type: Boolean  
Required: No

 ** parameterName **   <a name="Lightsail-Type-RelationalDatabaseParameter-parameterName"></a>
Specifies the name of the parameter.  
Type: String  
Required: No

 ** parameterValue **   <a name="Lightsail-Type-RelationalDatabaseParameter-parameterValue"></a>
Specifies the value of the parameter.  
Type: String  
Required: No

## See Also
<a name="API_RelationalDatabaseParameter_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/lightsail-2016-11-28/RelationalDatabaseParameter) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lightsail-2016-11-28/RelationalDatabaseParameter) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lightsail-2016-11-28/RelationalDatabaseParameter) 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon Lightsail. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query lightsail` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).