I can't use sprite color of animation

Hi all, I have a problem with use property sprite color of animation
This is tutorial on youtube, it is working ok

But I can't make follow it, when I change color on a key frame, it will change color all other keys too. So I can't make animation change color for character
https://photos.google.com/share/AF1...?key=SlRwMGkwcVkzUFNCczdSV3FWdVE5ampRSHZramNR

Please help me, thank you
(sorry because my English is not good)

 

Your Animation window is not showing the Samples setting.

I notice that you are using Unity 2019.3.0a7, which is an alpha version.

Source: Unity 2019.3a - Unityhttps://unity3d.com/alpha/2019.3

 

Thank you very much!