<function name="GetInternalVariable" parent="Entity" type="classfunc"> <description> An interface for accessing internal key values on entities. See <page>Entity:GetSaveTable</page> for a more detailed explanation. See <page>Entity:SetSaveValue</page> for the opposite of this function. </description> <realm>Shared</realm> <args> <arg name="VariableName" type="string">Name of variable corresponding to an entity save value.</arg> <arg name="variableName" type="string">Name of variable corresponding to an entity save value.</arg> </args> <rets> <ret name="" type="any">The internal variable value</ret>⤶ <ret name="" type="any">The internal variable value.</ret>⤶ </rets> </function> ⤶ ⤶ <example>⤶ <description>Get how long it has been since the player was damaged.</description>⤶ <code>⤶ local meta = FindMetaTable( "Player" )⤶ ⤶ function meta:GetLastDamageTime()⤶ ⤶ return self:GetInternalVariable( "m_flLastDamageTime" )⤶ ⤶ end⤶ ⤶ print( Entity( 1 ):GetLastDamageTime() )⤶ </code>⤶ <output>⤶ ```⤶ -31.965000152588⤶ ```⤶ </output>⤶ </example>⤶ ⤶ <example>⤶ <description>Determine if a door is locked or not (**server side**).</description>⤶ <code>⤶ function IsDoorLocked( entity )⤶ ⤶ return ( entity:GetInternalVariable( "m_bLocked" ) )⤶ ⤶ end⤶ </code>⤶ <output>Returns `true` if the door is locked.</output>⤶ </example>⤶ ⤶ <example>⤶ <description>Determines whether the door is open or not (**server side**).</description>⤶ <code>⤶ function DoorIsOpen( door )⤶ ⤶ local doorClass = door:GetClass()⤶ ⤶ if ( doorClass == "func_door" and doorClass == "func_door_rotating" ) then⤶ ⤶ return ( self:GetInternalVariable( "m_toggle_state" ) == 0 )⤶ ⤶ elseif ( doorClass == "prop_door_rotating" ) then⤶ ⤶ return ( self:GetInternalVariable( "m_eDoorState" ) ~= 0 )⤶ ⤶ else⤶ ⤶ return false⤶ ⤶ end⤶ ⤶ end⤶ </code>⤶ <output>Returns `true` if the door is open.</output>⤶ </example>