# Resource

You can choose to generate either a Property Resource Bundle or a List Resource Bundle by clicking the Resource value field in the right pane of the Properties window and selecting from the drop down list. Possible values are:

Property Resource Bundle

> Select this to generate a property resource bundle. The name of the property resource bundle is derived from the PDML file you are editing, and is then attached to the language and country/region you specified for the file, separated by underscores. For example, file1_en_us.properties. The file extension for a property resource bundle is .properties.

List Resource Bundle

> Select this to generate a list resource bundle that is automatically compiled by the GUI Builder. The name of the list resource bundle is derived from the PDML file you are editing, and is then attached to the language and country/region you specified for the file, separated by underscores. For example, file1_en_us.java. the file extension for a list resource bundle is .java.