To create a diggable area we need to use the blueprint called BP_DiggableArea which is located in the folder Blueprints/Core .

The next step will be drag the actor to the world.

Next, we will configure the different properties of the Diggable Area. If you want to learn more about what each property does and how it affects the system, you can check the link below for a detailed explanation.
With the Diggable Area configured, the next step is to enable your character to interact with it.
To make a character with the capacity to dig we need to attach to him the component BP_Digging_Component.

Next, we will configure the different properties and available methods of the Diggable Area. These settings and functions control how the area behaves and interacts with the system.
If you want a deeper explanation of each property and method, including their effects and use cases, check the link below for detailed documentation.