<function name="IsValidLayer" parent="Entity" type="classfunc"> <description> Returns whether the given layer ID is valid and exists on this entity. <note>This function only works on <page>BaseAnimatingOverlay</page> entities.</note> </description> <realm>Shared</realm> <args> <arg name="layerID" type="number">The Layer ID</arg> </args> <rets> <ret name="" type="boolean">Whether the given layer ID is valid and exists on this entity.</ret> </rets> </function> ⤶ ⤶ <example>⤶ <description>Print information about an entity's all possible active layers.</description>⤶ <code>local MAX_OVERLAYS = 15 -- defined in BaseAnimatingOverlay.h#L132⤶ local queryEnt = Entity(1) ⤶ for i = 0,MAX_OVERLAYS do -- overlay index starts from 0 up to 15 ⤶ if queryEnt:IsValidLayer(i) then ⤶ s = queryEnt:GetLayerSequence(i) ⤶ print(i,s,queryEnt:GetSequenceName(s),queryEnt:GetSequenceActivityName(s)) ⤶ end ⤶ end ⤶ </code>⤶ <output>⤶ ⤶ ```⤶ 0 355 reload_revolver ACT_HL2MP_GESTURE_RELOAD_REVOLVER⤶ 2 249 jump_land ACT_LAND⤶ ⤶ ```⤶ ⤶ </output>⤶ ⤶ </example>