Keyframing Audio Tracks

Hi all,
In R14 you there's an option to set a keyframe in the inspector for the particular audio track..
Im the R15 beta that keyframe button is no longer there.
I was wondering what the new preferred process for keying audio track levels is now
Thanks for your help!
In R14 you there's an option to set a keyframe in the inspector for the particular audio track..
Im the R15 beta that keyframe button is no longer there.
I was wondering what the new preferred process for keying audio track levels is now

Thanks for your help!