# Update a Loan Product

`PUT /lokta-lms/api/v1/loanproducts/{productId}`

Updates a Loan Product

## Parameters
- `productId` (path, integer, required): productId

## Request body (application/json)
- `accountMovesOutOfNPAOnlyOnArrearsCompletion` (boolean)
- `accountingRule` (integer)
- `allowApprovedDisbursedAmountsOverApplied` (boolean)
- `allowAttributeOverrides` (AllowAttributeOverrides)
- `allowCompoundingOnEod` (boolean)
- `allowFullTermForTranche` (boolean): Allow full term length for each tranche disbursement. Only available for PROGRESSIVE schedule type with multi-disbursement enabled.
- `allowPartialPeriodInterestCalculation` (boolean)
- `allowVariableInstallments` (boolean)
- `amortizationType` (integer)
- `buyDownExpenseAccountId` (integer)
- `buyDownFeeCalculationType` (string)
- `buyDownFeeIncomeType` (string)
- `buyDownFeeStrategy` (string)
- `buydownfeeClassificationToIncomeAccountMappings` (array of PostClassificationToIncomeAccountMappings)
- `canDefineInstallmentAmount` (boolean)
- `canUseForTopup` (boolean)
- `capitalizedIncomeCalculationType` (string)
- `capitalizedIncomeClassificationToIncomeAccountMappings` (array of PostClassificationToIncomeAccountMappings)
- `capitalizedIncomeStrategy` (string)
- `capitalizedIncomeType` (string)
- `chargeOffBehaviour` (string)
- `chargeOffExpenseAccountId` (integer)
- `chargeOffFraudExpenseAccountId` (integer)
- `chargeOffReasonToExpenseAccountMappings` (array of PostChargeOffReasonToExpenseAccountMappings)
- `charges` (array of LoanProductChargeData)
- `closeDate` (string)
- `creditAllocation` (array of CreditAllocationData)
- `currencyCode` (string)
- `dateFormat` (string)
- `daysInMonthType` (integer)
- `daysInYearCustomStrategy` (string)
- `daysInYearType` (integer)
- `deferredFeeIncomeAccountId` (integer)
- `deferredIncomeLiabilityAccountId` (integer)
- `delinquencyBucketId` (integer)
- `description` (string)
- `digitsAfterDecimal` (integer)
- `disallowExpectedDisbursements` (boolean)
- `disallowInterestCalculationOnPastDue` (boolean)
- `disbursedAmountPercentageForDownPayment` (number)
- `dueDaysForRepaymentEvent` (integer)
- `enableAccrualActivityPosting` (boolean)
- `enableAutoRepaymentForDownPayment` (boolean)
- `enableBuyDownFee` (boolean)
- `enableDownPayment` (boolean)
- `enableIncomeCapitalization` (boolean)
- `enableInstallmentLevelDelinquency` (boolean)
- `feeToIncomeAccountMappings` (array of LoanProductChargeToGLAccountMapper)
- `fixedLength` (integer)
- `fixedPrincipalPercentagePerInstallment` (number)
- `fundId` (integer)
- `fundSourceAccountId` (integer)
- `goodwillCreditAccountId` (integer)
- `graceOnArrearsAgeing` (integer)
- `graceOnInterestPayment` (integer)
- `graceOnPrincipalPayment` (integer)
- `holdGuaranteeFunds` (boolean)
- `inArrearsTolerance` (integer)
- `inMultiplesOf` (integer)
- `includeInBorrowerCycle` (boolean)
- `incomeFromBuyDownAccountId` (integer)
- `incomeFromCapitalizationAccountId` (integer)
- `incomeFromChargeOffFeesAccountId` (integer)
- `incomeFromChargeOffInterestAccountId` (integer)
- `incomeFromChargeOffPenaltyAccountId` (integer)
- `incomeFromFeeAccountId` (integer)
- `incomeFromGoodwillCreditFeesAccountId` (integer)
- `incomeFromGoodwillCreditInterestAccountId` (integer)
- `incomeFromGoodwillCreditPenaltyAccountId` (integer)
- `incomeFromPenaltyAccountId` (integer)
- `incomeFromRecoveryAccountId` (integer)
- `installmentAmountInMultiplesOf` (integer)
- `interestCalculationPeriodType` (integer)
- `interestOnLoanAccountId` (integer)
- `interestRateFrequencyType` (integer)
- `interestRatePerPeriod` (number)
- `interestRateVariationsForBorrowerCycle` (array)
- `interestRecalculationCompoundingMethod` (integer)
- `interestRecognitionOnDisbursementDate` (boolean)
- `interestType` (integer)
- `isArrearsBasedOnOriginalSchedule` (boolean)
- `isCompoundingToBePostedAsTransaction` (boolean)
- `isEqualAmortization` (boolean)
- `isInterestRecalculationEnabled` (boolean)
- `isLinkedToFloatingInterestRates` (boolean)
- `loanPortfolioAccountId` (integer)
- `loanScheduleProcessingType` (string)
- `loanScheduleType` (string)
- `locale` (string)
- `maxInterestRatePerPeriod` (number)
- `maxNumberOfRepayments` (integer)
- `maxPrincipal` (number)
- `maxTrancheCount` (integer)
- `merchantBuyDownFee` (boolean)
- `minInterestRatePerPeriod` (number)
- `minNumberOfRepayments` (integer)
- `minPrincipal` (number)
- `minimumDaysBetweenDisbursalAndFirstRepayment` (integer)
- `multiDisburseLoan` (boolean)
- `name` (string)
- `numberOfRepaymentVariationsForBorrowerCycle` (array)
- `numberOfRepayments` (integer)
- `outstandingLoanBalance` (number)
- `overAppliedCalculationType` (string)
- `overAppliedNumber` (integer)
- `overDueDaysForRepaymentEvent` (integer)
- `overdueDaysForNPA` (integer)
- `overpaymentLiabilityAccountId` (integer)
- `paymentAllocation` (array of AdvancedPaymentData)
- `paymentChannelToFundSourceMappings` (array of GetLoanPaymentChannelToFundSourceMappings)
- `penaltyToIncomeAccountMappings` (array of LoanProductChargeToGLAccountMapper)
- `preClosureInterestCalculationStrategy` (integer)
- `principal` (number)
- `principalThresholdForLastInstallment` (integer)
- `principalVariationsForBorrowerCycle` (array)
- `rates` (array of RateData)
- `recalculationCompoundingFrequencyInterval` (integer)
- `recalculationCompoundingFrequencyOnDayType` (integer)
- `recalculationCompoundingFrequencyType` (integer)
- `recalculationRestFrequencyInterval` (integer)
- `recalculationRestFrequencyType` (integer)
- `receivableFeeAccountId` (integer)
- `receivableInterestAccountId` (integer)
- `receivablePenaltyAccountId` (integer)
- `repaymentEvery` (integer)
- `repaymentFrequencyType` (integer)
- `repaymentStartDateType` (integer)
- `rescheduleStrategyMethod` (integer)
- `shortName` (string)
- `startDate` (string)
- `supportedInterestRefundTypes` (array)
- `transactionProcessingStrategyCode` (string)
- `transfersInSuspenseAccountId` (integer)
- `useBorrowerCycle` (boolean)
- `writeOffAccountId` (integer)
- `writeOffReasonsToExpenseMappings` (array of PostWriteOffReasonToExpenseAccountMappings)

## Responses
- `200`: OK

## Response fields
- `changes` (PutLoanChanges)
- `resourceId` (integer)

## Example request (cURL)
```bash
curl -X PUT \
  'http://localhost:8080/lokta-lms/api/v1/loanproducts/{productId}' \
  -u '{username}:{password}' \
  -H 'Tenant-Identifier: default' \
  -H 'Content-Type: application/json' \
  -d '{
  "accountMovesOutOfNPAOnlyOnArrearsCompletion": false,
  "accountingRule": 3,
  "allowApprovedDisbursedAmountsOverApplied": true,
  "allowAttributeOverrides": {
    "amortizationType": true,
    "graceOnArrearsAgeing": true,
    "graceOnPrincipalAndInterestPayment": true,
    "inArrearsTolerance": true
  },
  "allowCompoundingOnEod": false,
  "allowFullTermForTranche": false,
  "allowPartialPeriodInterestCalculation": true,
  "allowVariableInstallments": false,
  "amortizationType": 1,
  "buyDownExpenseAccountId": 27
}'
```

## Example response
```json
{
  "changes": {
    "locale": "en_GB",
    "principal": 0
  },
  "resourceId": 1
}
```

Interactive: https://developer.lokta.ai/reference.html#operation/updateLoanProduct