<function name="SortByKey" parent="table" type="libraryfunc"> <description> Returns a list of keys sorted based on values of those keys. For normal sorting see <page>table.sort</page>. </description> <realm>Shared and Menu</realm> <file line="133-L150">lua/includes/extensions/table.lua</file> <file line="141-L154">lua/includes/extensions/table.lua</file> <args> <arg name="tab" type="table">Table to sort. All values of this table must be of same type.</arg> <arg name="descending" type="boolean" default="false">Should the order be descending?</arg> </args> <rets> <ret name="" type="table">A table of keys sorted by values from supplied table.</ret> </rets> </function> <example> <description>Example usage of the function.</description> <code> local t = {} t['h'] = 2 -- Lowest value t['a'] = 150 -- Highest value t['x'] = 30 PrintTable( table.SortByKey( t ) ) PrintTable( table.SortByKey( t , true ) ) </code> <output> ``` 1 = a 2 = x 3 = h ``` ``` 1 = h 2 = x 3 = a ``` </output> </example>