content: function toString(variable As dynamic) As string
      if type(variable) = "roInt" or type(variable) = "roInteger" or type(variable) = "roFloat" or type(variable) = "Float" then
          return str(variable).trim()
      else if type(variable) = "roBoolean" or type(variable) = "Boolean" then
          if variable = true then
              return "true"
          end if
          return "false"
      else If type(variable) = "roString" or type(variable) = "String" then
          return variable
      else
          return type(variable)
      end if
  end function
  