public CreateClusterParameterGroupRequest withParameterGroupName(String parameterGroupName) {
        setParameterGroupName(parameterGroupName);
        return this;
    }
<p>
The name of the cluster parameter group.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must be 1 to 255 alphanumeric characters or hyphens
</p>
</li>
<li>
<p>
First character must be a letter.
</p>
</li>
<li>
<p>
Cannot end with a hyphen or contain two consecutive hyphens.
</p>
</li>
<li>
<p>
Must be unique withing your Amazon Web Services account.
</p>
</li>
</ul>
<note>
<p>
This value is stored as a lower-case string.
</p>
</note>

@param parameterGroupName
       The name of the cluster parameter group.</p>
       <p>
       Constraints:
       </p>
       <ul>
       <li>
       <p>
       Must be 1 to 255 alphanumeric characters or hyphens
       </p>
       </li>
       <li>
       <p>
       First character must be a letter.
       </p>
       </li>
       <li>
       <p>
       Cannot end with a hyphen or contain two consecutive hyphens.
       </p>
       </li>
       <li>
       <p>
       Must be unique withing your Amazon Web Services account.
       </p>
       </li>
       </ul>
       <note>
       <p>
       This value is stored as a lower-case string.
       </p>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/CreateClusterParameterGroupRequest.java