<function name="DoExpansion" parent="DCollapsibleCategory" type="panelfunc"> <description>Forces the category to open or collapse</description> <realm>Client and Menu</realm> <file line="233-L238">lua/vgui/dcategorycollapse.lua</file>⤶ <args> <arg name="expand" type="boolean">True to open, false to collapse</arg> </args> </function>