Applying a template when you import markers is a very easy operation: you just need to specify the name of the marker template that should be applied to each marker. This can be done by adding a Template column to the import file that already contains all your markers.
Before you proceed with this tutorial, please make sure that you've followed these steps:
You can download the CSV file (separator: semicolon) used in this tutorial here: http://wiki.click2map.com/files/California_Real_Estate.csv
When you open this file, you'll see how easy it is to specify which template should be used with each marker: you only need to add a Template column to an import file. In this case, all markers will be created in a group named San Diego and will include all the properties defined in he Real Estate template created earlier.
When your import file is ready, you simply need to follow the How to Import Markers tutorial. It's that easy!