The unique identifier of the destination or source [balance account](https://docs.adyen.com/api-explorer/#/balanceplatform/latest/post/balanceAccounts__resParam_id). You can only use this for periodic
merchantAccount
string
The merchant account that will be the source of funds. You can only use this parameter with sweeps of `type` **pull** and `schedule.type` **balance**, and if you are processing payments with Adyen.
transferInstrumentId
string
The unique identifier of the destination or source [transfer instrument](https://docs.adyen.com/api-explorer/legalentity/latest/post/transferInstruments#responses-200-id) depending on the sweep `type`