Function to be triggered when the marker or command is selected
OptionaliconOptional name of icon to use instead of the marker
OptionalisWhether the command/marker is deprecated
OptionalisWhether the command/marker is disallowed for this project
OptionalmarkerIf the item is a marker, then this is the marker code
OptionalsubtitleAn optional subtitle for the marker
The main title for the marker or command
Type for the markers that contain all necessary information to be displayed in the list