# File lib/cgikit.rb, line 2857
        def run
                @attr_name     = element_id.to_s
                @attr_escape   = fetch( 'escape' ) || true # true or false
                @attr_list     = fetch( 'list' )           # Enumerable
                @attr_values   = fetch( 'values' )         # Enumerable
                @attr_default  = fetch( 'default' )        # String
                @attr_selected = fetch( 'selected' )       # String

                check_required_attributes( ['list'] )
        end