Is there a way to insert keyframe to modify the animation with "Cell Fracture" quick effect?

[miles115]

Video reference: https://cloudmails-my.sharepoint.com/:v:/g/personal/tp053611_mail_apu_edu_my/EdOKufIs5HpDmX1rdtpBD_sBEGDDLtmZkCm8RdaRzLdZHw?nav=eyJyZWZlcnJhbEluZm8iOnsicmVmZXJyYWxBcHAiOiJPbmVEcml2ZUZvckJ1c2luZXNzIiwicmVmZXJyYWxBcHBQbGF0Zm9ybSI6IldlYiIsInJlZmVycmFsTW9kZSI6InZpZXciLCJyZWZlcnJhbFZpZXciOiJNeUZpbGVzTGlua0NvcHkifX0&e=aGvMzY

I can’t seem to find away to insert a keyframe. I only want to change the starting time of it. For example: I want to explosion to start at 50 frames, but first 49 frames remain untouched.

The tutorial Im following: https://www.youtube.com/watch?v=rtoHQnQATck&ab_channel=BlenderVitals

[oo_1942 (Kim)]

Apply animation to that part.
You can set 0 for 49 frames and 500 for 50 frames.