code: public static com.liferay.commerce.product.model.CPDefinitionLink addCPDefinitionLink(
  		com.liferay.commerce.product.model.CPDefinitionLink cpDefinitionLink) {
  		return getService().addCPDefinitionLink(cpDefinitionLink);
  	}
docs: Adds the cp definition link to the database. Also notifies the appropriate model listeners.
  
  @param cpDefinitionLink the cp definition link
  @return the cp definition link that was added