<function name="GetMaterialType" parent="Entity" type="classfunc"> <description>Returns the surface material of this entity.</description>⤶ <description>Returns the [surface material type](https://developer.valvesoftware.com/wiki/Material_Types) of this entity.⤶ ⤶ This can be approximated clientside via <page>util.GetModelInfo</page>.⤶ ⤶ Internally, all this does is return `gamematerial` of the surface property on the first physics object of the entity. You can do this yourself using <page>PhysObj:GetMaterial</page> and <page>util.GetSurfaceData</page>.⤶ </description>⤶ <realm>Server</realm> <rets> <ret name="" type="number">Surface material. See <page>Enums/MAT</page></ret>⤶ <ret name="" type="number{MAT}">Surface material type.</ret>⤶ </rets> </function> <example> <description>Prints the MAT_ enum name for every prop on the map.</description> <code> local function BackwardsEnums( enumname ) -- Helper function to build our table of values. local backenums = {} for k, v in pairs( _G ) do if isstring(k) and string.find( k, "^" .. enumname ) then backenums[ v ] = k end end return backenums end local MAT = BackwardsEnums( "MAT_" ) local validClasses = { prop_physics = true, prop_physics_multiplayer = true, prop_dynamic = true } for _, v in ipairs( ents.GetAll() ) do if validClasses[ v:GetClass() ] then print( v:GetModel(), MAT[ v:GetMaterialType() ] or "UNKNOWN" ) end end </code> <output> ``` models/props_interiors/furniture_couch01a.mdl MAT_DIRT models/props/cs_office/offinspd.mdl MAT_GLASS models/props/cs_office/offinspf.mdl MAT_GLASS models/props_wasteland/controlroom_desk001b.mdl MAT_METAL models/props_junk/wood_crate002a.mdl MAT_WOOD models/props_junk/wood_crate002a.mdl MAT_WOOD models/props_junk/wood_crate001a_damaged.mdl MAT_WOOD models/props_wasteland/controlroom_desk001a.mdl MAT_METAL models/props_wasteland/controlroom_chair001a.mdl MAT_METAL models/props_c17/tools_wrench01a.mdl MAT_METAL models/props/cs_office/radio.mdl MAT_COMPUTER models/props_junk/pushcart01a.mdl MAT_METAL models/props_wasteland/kitchen_shelf001a.mdl MAT_METAL models/props_wasteland/cafeteria_table001a.mdl MAT_WOOD models/props_c17/furniturecouch001a.mdl MAT_DIRT models/props_c17/furnituretable003a.mdl MAT_WOOD models/combine_gate_vehicle.mdl UNKNOWN models/props_junk/sawblade001a.mdl MAT_METAL models/props/cs_office/offinspf.mdl MAT_GLASS models/props_junk/wood_crate001a.mdl MAT_WOOD ... ``` </output> </example>