question: public static BigDecimal paidToDate ( int p_C_Invoice_ID , int p_C_Currency_ID , int p_MultiplierAP , Timestamp DateAcct ) throws SQLException { if ( p_C_Invoice_ID == 0 || p_C_Currency_ID == 0 ) return null ; BigDecimal MultiplierAP = new BigDecimal ( ( double ) p_MultiplierAP ) ; if ( p_MultiplierAP == 0 ) MultiplierAP = Adempiere . ONE ; int C_ConversionType_ID = 0 ; BigDecimal paymentAmt = allocatedAmtToDate ( p_C_Invoice_ID , p_C_Currency_ID , C_ConversionType_ID , MultiplierAP , DateAcct ) ; return Currency . round ( paymentAmt , p_C_Currency_ID , null ) ; }
target:  Get Invoice paid(allocated) amount. - invoicePaid