breez-sdk-docs/snippets/react-native/send_spontaneous_payment.ts

import {
  sendSpontaneousPayment,
  type TlvEntry
} from '@breeztech/react-native-breez-sdk'

const exampleSendSpontaneousPayment = async () => {
  // ANCHOR: send-spontaneous-payment
  try {
    const nodeId = '...'

    const sendPaymentResponse = await sendSpontaneousPayment({
      nodeId,
      amountMsat: 3000000
    })
  } catch (err) {
    console.error(err)
  }
  // ANCHOR_END: send-spontaneous-payment
}

const stringToBytes = (str: string): number[] => {
  const bytes: number[] = []
  for (let i = 0; i < str.length; ++i) {
    bytes.push(str.charCodeAt(i))
  }
  return bytes
}

const exampleSendSpontaneousPaymentWithTlvs = async () => {
  // ANCHOR: send-spontaneous-payment-with-tlvs
  try {
    const nodeId = '...'
    const extraTlvs: TlvEntry[] = [
      { fieldNumber: 34349334, value: stringToBytes('Hello world!') }
    ]

    const sendPaymentResponse = await sendSpontaneousPayment({
      nodeId,
      amountMsat: 3000000,
      extraTlvs
    })
  } catch (err) {
    console.error(err)
  }
  // ANCHOR_END: send-spontaneous-payment-with-tlvs
}