<function name="Exists" parent="presets" type="libraryfunc"> <description>Returns whether a preset with given name exists or not</description> <realm>Client</realm> <args> <arg name="type" type="string">The preset group name, usually it&#x27;s tool class name.</arg> <arg name="type" type="string">The preset group name, usually it's tool class name.</arg> <arg name="name" type="string">Name of the preset to test</arg> </args> <rets> <ret name="" type="boolean">true if the preset does exist</ret> </rets> </function>