code: function _isComplexType (mProperty) {
  		if (mProperty && mProperty.type) {
  			if (mProperty.type.toLowerCase().indexOf("edm") !== 0) {
  				return true;
  			}
  		}
  		return false;
  	}
docs: Is field using a complex type
  
  @param {Object} mProperty - property from entityType
  @returns {Boolean} - Returns true if property is using a complex type