{TRACKER(trackerId="2" wiki="test_tpl" autosavefields="233" autosavevalues="categories(1)") /}

test_tpl contains:

{$f_7}
{$f_8}
{$f_9}
{$f_10}

field 233 is a category field with the setting "1"

Categories:
Groups (ID 1)
-> Group 1 (ID 2)
-> Group 2 (ID 3)

Perspective has a Category Jail of 3
A category defaults of 3/3
When I create a tracker item it is automatically categorized in Group 2.