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Template:ParentCategory-region codes are a single ("UK") or multiple codes ("AU;DE;UK;US") in a quoted string that is included in the config.txt file for user defined filters. In this work, this later form is sometimes referred to as a string array—it's logical effect.
Assets with narrow single country scope would contain a single code after the tagname.
Assets which were widely found in many regions (e.g. 'Caterpillar D7 bulldozer', will list the series of country codes of the region.)
The codes have only a minor importance in Trainz and are primarily used in Trainz as a sort and selection criteria in user defined filters.
These codes do show up under the region column in Content Manager where they can be included in defining filters one can also use in Surveyor. This eliminates looking at undesired assets when focuses on developing your routes.
For content that exists in multiple areas, when creating new assets, select appropriate codes in Content Creator Plus (CCP) or hand edit them into the config.txt ini files.
For example
a locomotive that was available in the United States and Canada would be specified as follows:
category-region "US;CA"
One that was available in Australia, Canada, the United States and in the United Kingdom would be specified as follows:
This reference page is adapted from the TrainzOnline Wiki under the CC-BY-SA 3.0 License. This page will likely include more textual explanations, exposition, history, and/or examples than the source page on the same topic.The TrainzOnline Wiki is for the most part maintained by the programmers or knowledgeable content creators and may have newer more up-to-date information on the current trainz-build code standards, which have some tendency to change as features are added to the software.
