Attribute of BO. List of BO's attributes. List of BO's attributes for ordering purposes. The type of ordering. Boolean statement type. Boolean operand. Boolean operator type. Possible operators. Comparision operator type. Possible operators. Comparision statement type. Comparision operator Operand Boolean operand type. Boolean operator. Boolean operand. Comparision operand. Type of BOs to be searched. Criteria used to define which BOs/records will be selected. Set of BO attributes to return as a search response. BO attributes used to define ordering of selected BOs/records. Search filter root element