You want to get a specific feature into ownCloud.
There are several steps possible:
First check that such a feature doesn’t exist at one of the following pages:
https://owncloud.org/eight-two/ (ownCloud 8.2 Features)
https://doc.owncloud.org/ (ownCloud Documentation)
https://apps.owncloud.com (Apps which extends the Functionality of ownCloud)
Check the bugtracker if your feature is already requested:
https://github.com/owncloud/core/issues (ownCloud core)
https://github.com/owncloud/apps/issues (ownCloud apps)
https://github.com/owncloud/client/issues (ownCloud Sync-Client)
https://github.com/owncloud/calendar/issues (Calendar app)
https://github.com/owncloud/contacts/issues (Contacts app)
https://github.com/owncloud/ (Overview of all ownCloud Repositories)
ownCloud is OpenSource. If you’re a developer implement the feature yourself. First steps are available at: http://owncloud.org/developer/
You could also ask at the developers mailinglist:
or at the IRC channel #owncloud-dev at freenode
Search for a developer . See Step 3. for some links.
Request a feature at the bugtracker. See Step 2. for some links.