<title>ent_nav_blocker</title> # ent_nav_blocker Has the ability to dynamically block the navigation mesh. When active, AI will see this entity as an obstacle and will now try to walk through it. ⤶ `This entity requires a mesh to function`⤶ ### Keyvalues **Name (`targetname`)** >* The name that other entities refer to this entity by. **Tags (`tags`)** >* A list of general purpose tags for this entity, for interactions with other entities such as triggers. **Enabled (`enabled`)** >* Whether this entity is enabled or not. **Shadow Casting (`enable_shadows`)** >* Whether this entity should cast shadows or not.