1. Right-click the data source to which you want to add an attribute, and select New / Attribute. The New Attribute window appears.
2. In the Attribute drop-down list, select the attribute you want to add to the server data source. The Type field adjusts to show the type of value required.
3. In the Value field, change the default value of the attribute if necessary; then, click OK. The attribute is added to the server data source.
