No sound in a push notification on Android(Ionic capacitor)

I have a problem when i implemented a plugin PushNotification in capacitor, the problem is that when te phone receive a push notification don´t make any sound. This is my code.

PushNotifications.addListener('pushNotificationReceived',
  (notification: PushNotification) => {
    console.log('Push received: ',JSON.stringify(notification));

  }

this is the settings in capacitor.config.json

"PushNotifications": {
  "presentationOptions": ["badge", "sound", "alert"]
}

any workarround for this issue?