Geoff Chappell - Software Analyst
Specifies the required component categories of the target class
[ define_attribute = "requires_category", argument_list = "requires_category", help_string = "Specifies the required component categories of the target class", usage = eCoClassUsage, group = eComGroup, repeatable = true, shipping = true, variable_args = true ];
The product documentation says this attribute is not repeatable. Mind you, the documentation then proceeds to talk of the component categories—in the plural—that are required by the target class.