125Figure 3-119 Preset: Select a preset you want to use behavior analytics. Name: Input customized rule name. Duration: System can generate an alarm once the object is in the zone for the specified period. Target filter: Click , user may set filter object size. Each rule can set two sizes (min size/max size).Once the object is smaller than the min size or larger than the max size, there is no alarm. Pleasemake sure the max size is larger than the min size.Now user may draw a rule. Left click mouse to draw a zone, until you draw a rectangle, user may rightclick mouse.TipsClick to delete the corresponding rule.Click , user may refer to the chapter 3.14.3.1 to set other parameters.Click Apply to complete the setup.3.14.3.4 Missing Object Detection (Optional)System generates an alarm when there is missing object in the specified zone.From main menu->Setting->Event->Behavior analytics, select the type as abandoned object, the objectinterface is shown as below. See Figure 3-120. System supports customized area shape and amount. Support duration setup. Support objects filter function.