Send emails from Auth0 with a Custom Email Provider Action

exports.onExecuteCustomEmailProvider = async (event, api) => {
  const { notification } = event;
  try {
    const response = await fetch('https://api.autosend.com/v1/mails/send', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${event.secrets.AUTOSEND_API_KEY}`,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        from: {
          name: 'AutoSend',
          email: notification.from || '[email protected]',
        },
        to: { email: notification.to || event.user.email || '[email protected]' },
        subject: notification.subject,
        html: notification.html,
        text: notification.text
      })
    });

    if (!response.ok) {
      const error = await response.text();
      api.notification.drop(`Send failed: ${error}`);
      return;
    }
  } catch (error) {
    console.error(`Error sending email: ${error.message}`);
    api.notification.drop(`An unexpected error occurred. Error: ${error.message}`);
  }
};