let transactionIDs = ["transaction_id_01"]
let reason = "Insufficient funds"

do {
    try sdkInstance?.rejectTransactions(transactionIDs: transactionIDs, reason: reason)
} catch {
    print("Error: \(error)")
}

final List<String> transactionIDs = ["transaction_id_01"];
const String reason = "Insufficient funds";

try {
    await sdkInstance?.rejectTransactions(
        transactionIDs: transactionIDs,
        reason: reason
    );
} catch (error) {
    print("Error: $error");
}