Tasks are the primary way that a player makes progress on quests. They are grouped underneath Objectives in order to provide more flexibility around whether the lowest level tasks need to be completed in order, or whether all of them need to be completed or not to deem the whole objective as complete.
A task represents either a single action the player needs to complete (e.g. reach a location), or a number of identical actions (e.g. kill 5 boars).
Once a task is completed or failed, its parent Objective will evaluate whether that change completes or fails the Objective as a whole or not, and the change "bubbles up" as necessary, potentially completing or failing the entire quest.
A task's parent Objective determines whether the tasks need to be completed in order (sequentially) or not, and whether all mandatory tasks need to be completed or just a subset (at least X).
Tasks must have identifiers, which must be unique within the quest. When you're triggering the completion or failure of task from something in the world, you need to know both the quest identifier and the task identifier.
A player-visible description of the task that needs doing. As with other text attributes, you can localise this with the NSLOCTEXT macro:
"Title": "NSLOCTEXT(\"Namespace\", \"Key\", \"Default Text\")",Your text can include named variable parameters if you like, see Parameters for more information.
Whether this task is mandatory or not (default true). If false, this task does not contribute to the success or failure of the parent Objective. If true (the default), then this task will contribute to success or failure; if the parent Objective requires that all mandatory tasks are completed, then its failure will fail the objective.
It's possible to say at the Objective level that only a certain number of mandatory tasks need to be completed (e.g. you have to complete 1 of 2 mandatory tasks, so failing one doesn't fail the objective yet). But by default all mandatory tasks have to be completed.
This is used when you need a task to represent performing a number of identical tasks, to reach a threshold which completes the task, e.g. "Skin 3 deer". Rather than completing the task outright, triggers in the world add progress to the task, which automatically completes when it hits this target number.
Use this to set time limits on tasks. The timer ticks automatically, and if it expires the task will be automatically failed.
The timer starts as soon as the Task becomes available to complete. For sequential tasks, this will be when the task becomes the next in the list, or for non-sequential tasks it will be when the parent Objective becomes current. You can reset the timer by resetting the task.
Whether to automatically resolve the outcome of this task completing / failing,
such as activating the next task, or completing/failing the quest. Defaults to true.
If set to false, this task will only be resolved after a call to ResolveTask.
Combines with Resolve Delay and Resolve Gate below.
This lets you precisely control when the next steps in the quest line are activated, instead of happening immediately on completion/failure, which can be useful for narrative pacing.
When this objective completes or fails, a time delay can be added before the knock-on effects of this are resolved, such as activating the next task, or completing/failing the quest.
It defaults to -1 which means to not add a specific delay to this quest, and to use whatever defaults are set in Progression.
Combines with Resolve Automatically and Resolve Gate - all must be cleared to resolve.
Much like Resolve Delay, this adds a delay between completing/failing the task, and the knock-on effects; except this time the delay is user-controlled, and will only be activated when the named "Gate" is opened on Progression.
Combines with Resolve Automatically and Resolve Delay - all must be cleared to resolve.
This covers how tasks are defined, see Progression for more information on how tasks are progressed.
It's possible to associate a world location (or locations) with a task, by using Waypoints.