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Dealing with collections(maps, lists, and sets) in webwork comes often, so here are a few examples using the select tag:
Syntax for list: {e1,e2,e3}. This creates a List containing the String "name1", "name2" and "name3". It also selects "name2" as the default value.

<webwork:select label="label" name="name" list="{'name1','name2','name3'}" value="%{'name2'}" />

Syntax for map: #{key1:value1,key2:value2}. This creates a map that maps the string "foo" to the string "foovalue" and "bar" to the string "barvalue":

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