David,
As of 4.2.0, you only have the option of exporting content within the app it's contained, or system wide. Per default.meta.spec:
# Set access controls on a specific view in this app.
[views/index_status]
access = read : [ admin ], write : [ admin ]
* Allow only admin users to read or modify this view.
# Make this view available in all apps.
export = system
* To make this view available only in this app, set 'export = none' instead.
owner = admin
* Set admin as the owner of this view.
See also:
http://www.splunk.com/base/Documentation/4.2/admin/Defaultmetaconf
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