visual effect graph prewarm

how to make visual effect graph start like particle system prewarm function?
[133609-qq截图20190223153104.png|133609]

[133610-qq截图20190223153126.png|133610]

I did’t find any node like that

Just go to the Visual Effect Asset on your project tab and in the Inspector change the prewarm total time and step count.

138263-capturar.png


I don’t have it :frowning: