// The `amount_msat` param is optional and should only passed if the bolt11 doesn't specify an amount.
// The amount_msat is required in case an amount is not specified in the bolt11 invoice'.
let amount_msat: Option<u64> = None;
let req = SendPaymentRequest {
    bolt11: "...".into(),
    amount_msat,
};
let response = sdk.send_payment(req).await?;

// The `amountMsat` param is optional and should only passed if the bolt11 doesn't specify an amount.
// The amountMsat is required in case an amount is not specified in the bolt11 invoice'.
let req = SendPaymentRequest(bolt11: "...", amountMsat: 3_000_000)
let response = try? sdk.sendPayment(req: req)

val bolt11 = "..."
try {
    // The `amountMsat` param is optional and should only passed if the bolt11 doesn't specify an amount.
    // The amountMsat is required in case an amount is not specified in the bolt11 invoice'.
    val amountMsat = 3_000_000.toULong()
    val req = SendPaymentRequest(bolt11, amountMsat)
    val response = sdk.sendPayment(req)
} catch (e: Exception) {
    // handle error
}

try {
  const bolt11 = 'bolt11 invoice'
  // The `amountMsat` param is optional and should only passed if the bolt11 doesn't specify an amount.
  // The amountMsat is required in case an amount is not specified in the bolt11 invoice'.
  const amountMsat = 3000000
  const response = await sendPayment({ bolt11, amountMsat })
} catch (err) {
  console.error(err)
}

// The `amountMsat` param is optional and should only passed if the bolt11 doesn't specify an amount.
// The amountMsat is required in case an amount is not specified in the bolt11 invoice'.
SendPaymentRequest req = SendPaymentRequest(bolt11: bolt11,  amountMsat: 3000000);
SendPaymentResponse resp = await BreezSDK().sendPayment(req: req);

bolt11 = "..."
try:
  # The `amount_msat` param is optional and should only passed if the bolt11 doesn't specify an amount.
  # The amount_msat is required in case an amount is not specified in the bolt11 invoice'.
  req = breez_sdk.SendPaymentRequest(bolt11=bolt11, amount_msat=3000000)
  sdk_services.send_payment(req=req)
except Exception as error:
  # Handle error

bolt11 := "bolt11 invoice"
// The `amountMsat` param is optional and should only passed if the bolt11 doesn't specify an amount.
// The amountMsat is required in case an amount is not specified in the bolt11 invoice'.
amountMsat := uint64(3_000_000)
sendPaymentRequest := breez_sdk.SendPaymentRequest{
    Bolt11:     bolt11,
    AmountMsat: &amountMsat,
}
if response, err := sdk.SendPayment(sendPaymentRequest); err == nil {
    log.Printf("%#v", response)
}

var bolt11 = "...";
ulong amountMsat = 3_000_000;

try
{
    // The `amountMsat` param is optional and should only passed if the
    // bolt11 doesn't specify an amount.
    // The amountMsat is required in case an amount is not specified in
    // the bolt11 invoice.
    var response = sdk.SendPayment(
        new SendPaymentRequest(bolt11, amountMsat));
}
catch (Exception)
{
    // Handle error
}