Each attribute in this set specifies an option for a key in the plist. https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man5/launchd.plist.5.html.
Declarations
Type
submodule
Default
{ }
Example
{
KeepAlive = true;
Program = "/run/current-system/sw/bin/nix-daemon";
}