How to automatically increase keyframe values (1, 2, 3, 4, etc...)

[New User 2025]

I have created a counter in a composition. I also have keyframes with interpolation of Hold. I want to copy and paste hundreds of this keyframe and configure it so that each keyframe has a value of +1 of the prior keyframe. I could do this manually, but is there a smarter way to do it?

Thanks for help!

[thepixelsmith]

This sounds like something that would proably be better done with an Expression.

Is there a reason you want hundreds of keyframes?

[New User 2025]

Thank you for replying.

I will have a composiiton in AE that will count the number of times an action happens. The counter will increase incrementally at different times in the composition, which I will have to place manually in the Timeline. I'm OK with that.

But what I want to do is set up the composition with the counter and all the keyframes ready with their individual values. The first keyframe will have a value of 0. The one after that, 1. The final key frame will have a value of 300.

I know I can duplicate keyframes by copying and pasting. That's easy enough. But each keyframe has to have its own value. I could go into each one and manually enter those values, but I am curious to know if there is a formulaic way of doing it, so the values are created automatically when I set all this up.

Think of Excel. I have a starting cell with a value of 0 and then a formula in the next cell that references the first with the statement [prior cell + 1]. And the cell after that has the same. I can stretch that out three hundred times to get cells with incremental values from 0 to 300.

If you have any thoughts on the expression solution, please let me know. In the mean time, I'll Google away.

Many thanks.

[ShiveringCactus]

I think you are describing a situation where you only want whole numbers to appear.  Try this expression on your slider:

Math.floor(value)

Math.floor rounds the value down to the nearest integer.  So 1.9 becomes 1, then when the slider reaches 2 or 2.1 etc... it becomes 2.