sets the value of the returnamount property . concode_field_sep String totalTax concode_elem_sep String totalAmount concode_elem_sep TaxDetails taxDetails concode_elem_sep String totalDiscount concode_elem_sep String returnAmount concode_field_sep void setTaxDetails concode_elem_sep void setTotalDiscount concode_elem_sep void setTotalTax concode_elem_sep void setTotalAmount concode_elem_sep String getTotalDiscount concode_elem_sep String getTotalAmount concode_elem_sep String getReturnAmount concode_elem_sep TaxDetails getTaxDetails concode_elem_sep String getTotalTax
void function ( String arg0 ) { this . returnAmount = arg0 ; }