# Update a transaction fee type `UpdateTransactionFeeType` `PUT /api/transactions/transactionfeetypes/{scope}/{code}` - [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/transaction-fee-types/UpdateTransactionFeeType.json) - [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/transaction-fee-types/UpdateTransactionFeeType) Update a transaction fee type by providing the new contents of the transaction fee type. The displayName field cannot be updated. ## Referenced schemas - [UpdateTransactionFeeTypeRequest](https://www.lusid.com/docs/api/lusid/schemas/UpdateTransactionFeeTypeRequest.txt) - [TransactionFeeType](https://www.lusid.com/docs/api/lusid/schemas/TransactionFeeType.txt) [< Transaction Fee Types](https://www.lusid.com/docs/api/lusid/endpoints/transaction-fee-types/llms.txt)