# ClusterParameterStatus
Describes the status of a parameter group.
## Contents
**Note**
In the following list, the required parameters are described first.
** ParameterApplyErrorDescription **
The error that prevented the parameter from being applied to the database.
Type: String
Length Constraints: Maximum length of 2147483647.
Required: No
** ParameterApplyStatus **
The status of the parameter that indicates whether the parameter is in sync with the database, waiting for a cluster reboot, or encountered an error when being applied.
The following are possible statuses and descriptions.
+ `in-sync`: The parameter value is in sync with the database.
+ `pending-reboot`: The parameter value will be applied after the cluster reboots.
+ `applying`: The parameter value is being applied to the database.
+ `invalid-parameter`: Cannot apply the parameter value because it has an invalid value or syntax.
+ `apply-deferred`: The parameter contains static property changes. The changes are deferred until the cluster reboots.
+ `apply-error`: Cannot connect to the cluster. The parameter change will be applied after the cluster reboots.
+ `unknown-error`: Cannot apply the parameter change right now. The change will be applied after the cluster reboots.
Type: String
Length Constraints: Maximum length of 2147483647.
Required: No
** ParameterName **
The name of the parameter.
Type: String
Length Constraints: Maximum length of 2147483647.
Required: No
## See Also
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/redshift-2012-12-01/ClusterParameterStatus)
+ [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/redshift-2012-12-01/ClusterParameterStatus)
+ [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/redshift-2012-12-01/ClusterParameterStatus)