+---
+title: Control Group APIs and Delegation
+---
+
# Control Group APIs and Delegation
*Intended audience: hackers working on userspace subsystems that require direct
In unit files the `Delegate=` property is superficially exposed as
boolean. However, since v236 it optionally takes a list of controller names
instead. If so, delegation is requested for listed controllers
-specifically. Note hat this only encodes a request. Depending on various
+specifically. Note that this only encodes a request. Depending on various
parameters it might happen that your service actually will get fewer
controllers delegated (for example, because the controller is not available on
the current kernel or was turned off) or more. If no list is specified