You can choose a set of templates saved in your sandbox space by using an appropriate sandbox prefix. For example, if you want to preview a version of ߞߙߊߞߏ:Test that you have saved as "ߟߊߓߊ߯ߙߟߊ:Foo/sandbox/ߞߙߊߞߏ:Test", use "ߟߊߓߊ߯ߙߟߊ:Foo/sandbox" as the prefix.
