Whenever you select a layer with a blending mode you'll see it in the panel on top right.
NOTE: Avocode will only display blending modes applied to a layer. Unfortunately, we do not support blending modes in layer styles/effects yet.
Currently supported blending modes
Normal
Multiply
Screen
Overlay
Darken
Lighten
Color Dodge
Color Burn
Hard Light
Soft Light
Difference
Exclusion
Hue
Saturation
Color
Luminosity
Partially supported:
Darker Color
Lighter Color