Please follow the following steps:
1. Click [Show Timeline].
2. Then click the target text and slider.
3. Choose [Text] to set the Entrance/Attention/Exit animation effects. You also can set the letter interval or repeat times.
4. You can customize the speed and time of animation effects. Drag to adjust the length of the slider to change the duration.
5. Click [Save] or [Save & Preview] to preview the text animation effect.
Notice: Only vectorized font supports text effects.
The effect of the above settings is as follow: