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# Factorio Runtime Docs Version 2.0.77

# TileBuildabilityRule - Runtime Docs

## TileBuildabilityRule :: table

A runtime representation of TileBuildabilityRule.

#### Table fields

area | :: BoundingBox | The area that this rule applies to.
The area that this rule applies to.
colliding_tiles | :: CollisionMask | The tiles that this rule collides with.
The tiles that this rule collides with.
required_tiles | :: CollisionMask | The tiles that this rule requires to be present.
The tiles that this rule requires to be present.
remove_on_collision | :: boolean | If the entity should be removed upon collision.
If the entity should be removed upon collision.

Concept used in

- LuaEntityPrototype::tile_buildability_rules