public DynamicDefaultValue withGroupNameColumn(ColumnIdentifier groupNameColumn) {
        setGroupNameColumn(groupNameColumn);
        return this;
    }
<p>
The column that contains the group name.
</p>

@param groupNameColumn
       The column that contains the group name.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/DynamicDefaultValue.java