Add line in dev docs for new hook.
@@ -200,6 +200,14 @@ The events currently available are:
import pipeline stage is a better choice (see :ref:`plugin-stage`).
Parameters: ``task`` and ``session``.
+* `import_task_before_choice`: called after candidate search for an import task
+ before any decision is made about how/if to import or tag. Can be used to
+ present information about the task or initiate interaction with the user
+ before importing occurs. Return an importer action to take a specific action.
+ Parameters: ``task``, ``session``, and ``previous`` (which is the action
+ specified by the previous event handler for the same task, allowing an early
+ exist if e.g. a previous plugin has already selected to skip the import)
+
* `import_task_choice`: called after a decision has been made about an import
task. This event can be used to initiate further interaction with the user.
Use ``task.choice_flag`` to determine or change the action to be
