For example:
dbupdater "update policy set XML='<action><alarm>1</alarm><record>1</record><resetcount><trackerid>ID of the camera that is tracking people</trackerid></resetcount></action>' where typ='action' and nm='NameOfActionFrom#4'"
Note: Do not edit the rule that you created in step 4 in the Symphony server configuration interface because it will reset the changes.