<function name="IsConstraint" parent="Entity" type="classfunc"> <description>Returns if entity is constraint or not. This also means that <page>Entity:GetConstrainedPhysObjects</page>. <page>Entity:GetConstrainedEntities</page> and <page>Entity:SetPhysConstraintObjects</page> can be used on this entity. ⤶ <warning>Some constraint entities, such as `phys_spring`, will return false!</warning> ⤶ <warning>For some constraint entities, such as `phys_spring`, `phys_slideconstraint`, `phys_torque` and `logic_collision_pair`, this function will return `false`!</warning> </description> <realm>Server</realm> <rets> <ret name="" type="boolean">Is the entity a constraint or not</ret> </rets> </function> <example> <description>Returns true if player 1 is aiming at constraint.</description> <code>print( Entity(1):GetEyeTrace().Entity:IsConstraint() )</code> <output>false</output> </example>