How to set the animation effect when ppt pictures are enlarged first and then reduced?

1, the computer opens the PPT20 19 version, and then inserts a picture.

2.PPT After inserting the picture, click Animation in the toolbar, and then click Custom Animation.

3. Enter the custom animation page and find the enlarged special effects.

4. After adding the magnifying effect, find a shrinking effect.

5. After adding zoom-in and zoom-out effects, you can click image zoom-in once, and then click image zoom-out once.