# Define the Landmark Bounds
The landmark bounds define the area that is considered “inside” the landmark. This can be either a box or spherical area using the setting **Use Box Collision** (*true* uses a box, *false* uses a sphere). When using a box collider for bounds, set its size using the **Collider Extent**. When using a spherical collider, set the radius of the sphere using **Collider Radius**. The bounds should contain every part of a landmark. An additional factor to consider is that these bounds also define the area that the player must “enter” to discover the landmark.
