Generic Trigger Properties
From FSDeveloper Wiki
Generic Trigger Properties are integral, and applicable, to all trigger types, (except where noted).
id Reserved. Do not edit this field.
Descr The name of the trigger. The system will generate a name such as AirportLandingTrigger1, simply be appending the number of the next trigger to the type of trigger. This name can be edited to help identify it further, though it is a good idea to maintain the type of trigger in the name, as this information is not clearly available through any other mechanism. Make sure though that the name is unique.
InstanceId This is the GUID generated to ensure the object has a unique reference. Do not edit this field
Activated Set to True or False. This value can be changed during the mission with the Object activation action.
Latched This will be False at the start of a mission and set to True when the trigger fires. Do not edit this property.
OneShot Set to True if the trigger should only fire once during the mission. Note a few triggers do not contain this property, these are noted in the descriptions for those triggers.
Actions List of one or more actions to initiate when the trigger is fired. Note a few triggers do not contain this property, these are noted in the descriptions for those triggers.