Number of individual recipients processed so far across all submitted transactions (whether each transfer succeeded inside the contract or was refunded due to access-control).
Total number of recipients in the original request.
OptionaltxHash: stringTransaction hash of the just-submitted transaction.
undefined when the transaction failed before submission.
Progress callback invoked by OnboardingBridgeSDK.batchFundCAddresses after each on-chain transaction completes (or fails).