my.showToast

// Success toast
my.showToast({
  type: 'success',
  content: 'Saved successfully',
  duration: 2000
});

// Error toast
my.showToast({
  type: 'fail',
  content: 'Operation failed',
  duration: 3000
});

// Plain text toast
my.showToast({
  content: 'Loading complete'
});