You can use an object in any policy rule that is in the Shared location, or in the same device group as the object, or in descendants of that device group (for details, see Device Group Objects).
Create Objects for Use in Shared or Device Group Policy
Create a shared object. In this example, we add a shared object for URL Filtering categories for which we want to trigger alerts. Select the Objects > Security Profiles > URL Filtering tab and click Add. The Objects tab appears only after you Add a Device Group (at least one). Enter a Name and a Description. Select the Shared check box. The Disable Override check box is cleared by default, which means you can override inherited instances of the object in all device groups. To disable overrides for the object, select the check box. In the Categories tab, select the check box of every Category for which you want notification. In the Action column, select Alert. Click OK and Commit, for the Commit Type select Panorama, and click Commit again.
Create a device group object. In this example, we add an address object for specific web servers on your network. Select Objects > Addresses and select the Device Group in which you will use the object. Click Add and enter a Name to identify the object. Be sure to leave the Shared check box cleared. The Disable Override check box is cleared by default, which means you can override inherited instances of the object in device groups that are descendants of the selected Device Group. To disable overrides for the object, select the check box. Select the Type of address object and the associated value. For example, select IP Range and enter the IP address range for the web servers. Click OK and Commit, for the Commit Type select Panorama, and click Commit again. Click Commit, for the Commit Type select Device Group, select the device group to which you added the object, and click Commit again.
View shared objects and device group objects in Panorama. In the pages of the Objects tab, the Location column indicates whether an object is shared or is specific to a device group. In the Objects tab, select the object type ( Objects > Addresses, in this example). Select the Device Group to which you added the object. The Objects tab only displays objects that are in the selected Device Group or are inherited from an ancestor device group or the Shared location. Verify that the device group object appears. Note that the device group name in the Location column matches the selection in the Device Group drop-down.

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