Wet surface "Mud" on terrain?

Hello,

I was wondering if it was possible to add a mud like wet effect to terrains made with in Unity. What I’m talking about is like in the Village seen made by Unity. But when trying to do this effect with the terrain maker with in Unity your un able to make the same effect due to no being able to add a image / effect to the metallic component.

Like in the image below the object to the left is a cub with a mud Albedo, Normal map and and image added to the metallic witch makes the mud / wet look by to the right is a terrain with only a Albedo and Normal added to it.

Is there away to get this look with in Unity or I’m I better of making a terrain out of Unity and importing it in to get this effect?

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Thank you for your time and I hope you all have a great day.

To make nice wet mud effect, it’s enough to choose “Built In StandardMaterial in terrain settings dropdown menu and use Albedo map with grayscale alpha channel - see attached files (I separated it but it has to be ONE rgb file with alpha channel)

To make it nicer, place Reflection probe above it - it will reflect skybox as well.