Gets and sets the property ParameterGroupName. 
            
The name of the cluster parameter group.
Constraints:
- Must be 1 to 255 alphanumeric characters or hyphens
- First character must be a letter.
- Cannot end with a hyphen or contain two consecutive hyphens.
- Must be unique withing your AWS account.
|  Note: | 
|---|
| This value is stored as a lower-case string. | 
 Declaration Syntax
 Declaration Syntax| C# | 
public string ParameterGroupName { get; set; }