CUMIPMT
  • 27 Sep 2023
  • 2 Minutes to read
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CUMIPMT

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Article summary

Step Details
Introduced in Version4.0.0
Last Modified in Version7.12.0
LocationData > Financial > Excel Functions

The CUMIPMT step is available in the Finance module. It is designed to calculate cumulative interest over a specified range of periods based on financial parameters, such as interest rate, number of periods, present value (PV), start period, end period, and payment type. This step is crucial for financial professionals and developers working on financial applications, as it helps in determining the cumulative interest accrued on a financial instrument or investment over time.


Prerequisites 

This step requires the Financial module to be installed before it will be available in the toolbox. 


Properties

Inputs

PropertyDescriptionData Type
End Period
This property represents the last period in the calculation. It defines the endpoint for calculating cumulative interest. The calculation will include all periods from the start period up to and including the end period.
Double
Interest Rate per periodThis property represents the interest rate for each compounding period. It defines the rate at which interest accrues over time.
Double
Number of PeriodsThis property represents the total number of payment periods. It defines the duration over which cumulative interest is calculated. The number of periods can be a whole number or a decimal depending on the frequency of payments.
Double
Payment dueThis property indicates the timing of the payment, which can be either "End of Period" or "Beginning of Period." It determines whether payments are made at the end or the beginning of each compounding period.
PaymentDue
Present ValueThe present value represents the initial principal amount or the current value.
Double
Start PeriodThis property signifies the first period in the calculation.
Double

Outputs

PropertyDescriptionData Type
CUMIPMT1_Output
The cumulative interest between the start and end periods.Double

Example Inputs and Outputs

Interest Rate per period
Number of Periods
Present Value
Start Period
End Period
Payment due
Output
0.093601250001324BeginningOfPeriod
-123853.21100915881
0.0936012500011EndOfPeriod-11250


Common Errors

Invalid Inputs

If the Interest Rate per period ≤ 0, the Number of Periods ≤ 0, or the Present Value ≤ 0, the step will return an error. Please ensure these inputs have data mapped correctly.

Exception Message:

Exception Stack Trace: DecisionsFramework.Design.Flow.ErrorRunningFlowStep: Error running step CUMIPMT 1[CUMIPMT] in flow [Financial Module]: Exception invoking method CUMIPMT on class ExcelFunctions
 ---> DecisionsFramework.LoggedException: Exception invoking method CUMIPMT on class ExcelFunctions
 ---> System.Exception: r must be more than 0 at Excel.FinancialFunctions.Loan.calcCumipmt(Double r, Double nper, Double pv, Double startPeriod, Double endPeriod, PaymentDue pd
 at Excel.FinancialFunctions.Financial.CumIPmt(Double rate, Double nper, Double pv, Double startPeriod, Double endPeriod, PaymentDue typ
 at Decisions.Financial.ExcelFunctions.CUMIPMT(Double intRate, Double noOfPeriods, Double presentVal, Double startPeriod, Double endPeriod, PaymentDue payDue
 at InvokeStub_ExcelFunctions.CUMIPMT(Object, Object, IntPtr*
 at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   --- End of inner exception stack trace --- at DecisionsFramework.Design.Flow.StepImplementations.InvokeMethodStep.Run(StepStartData data
 at DecisionsFramework.Design.Flow.FlowStep.RunStepInternal(String flowTrackingID, String stepTrackingID, KeyValuePairDataStructure[] stepRunDataValues, AbstractFlowTrackingData trackingData
 at DecisionsFramework.Design.Flow.FlowStep.Start(String flowTrackingID, String stepTrackingID, FlowStateData data, AbstractFlowTrackingData trackingData, RunningStepData currentStepData)
   --- End of inner exception stack trace ---

Invalid Start and End Periods

If the Start Period or End Period inputs are less than 1 or the Start Period is greater than the End Period, the step will return an error.

Exception Message:

Exception Stack Trace: DecisionsFramework.Design.Flow.ErrorRunningFlowStep: Error running step CUMIPMT 1[CUMIPMT] in flow [Financial Module]: Exception invoking method CUMIPMT on class ExcelFunctions
 ---> DecisionsFramework.LoggedException: Exception invoking method CUMIPMT on class ExcelFunctions
 ---> System.Exception: startPeriod must be more or equal to 1 at Excel.FinancialFunctions.Loan.calcCumipmt(Double r, Double nper, Double pv, Double startPeriod, Double endPeriod, PaymentDue pd
 at Excel.FinancialFunctions.Financial.CumIPmt(Double rate, Double nper, Double pv, Double startPeriod, Double endPeriod, PaymentDue typ
 at Decisions.Financial.ExcelFunctions.CUMIPMT(Double intRate, Double noOfPeriods, Double presentVal, Double startPeriod, Double endPeriod, PaymentDue payDue
 at InvokeStub_ExcelFunctions.CUMIPMT(Object, Object, IntPtr*
 at System.Reflection.MethodInvoker.Invoke(Object obj, IntPtr* args, BindingFlags invokeAttr)
   --- End of inner exception stack trace --- at DecisionsFramework.Design.Flow.StepImplementations.InvokeMethodStep.Run(StepStartData data
 at DecisionsFramework.Design.Flow.FlowStep.RunStepInternal(String flowTrackingID, String stepTrackingID, KeyValuePairDataStructure[] stepRunDataValues, AbstractFlowTrackingData trackingData
 at DecisionsFramework.Design.Flow.FlowStep.Start(String flowTrackingID, String stepTrackingID, FlowStateData data, AbstractFlowTrackingData trackingData, RunningStepData currentStepData)
   --- End of inner exception stack trace ---

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