module RubyXL::OOXMLObjectClassMethods

def define_element_name(element_name)

define_element_name 'externalReference'
==== Examples
* +element_name+
=== Parameters
extra parameter can be used to override the default element name.
In case of different objects represented by the same class in different parts of OOXML tree, +:node_name+
Defines the name of the element that represents the current OOXML object. Should only be used once per object. 
def define_element_name(element_name)
  self.class_variable_set(:@@ooxml_tag_name, element_name)
end