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So my boss wants me to edit the backend of his WP site so that he can add a video link from a site called vzaar, which hosts all of our content. I need to know where in the backend I can edit to allow this to happen. I dont need to know how to do it, just need to know what I'm looking for.

Here is an image of where he wants the option

enter image description here

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Just use a plugin that extends the oEmbed list with the vzaar provider. – kaiser Mar 19 '13 at 7:29
up vote 1 down vote accepted

It's Post Meta Box / Custom Field. Try find it in functions files inside the THEME folder.

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can I edit this from the wp-admin area, or do I need to use the server ftp client? – OneChillDude Mar 19 '13 at 4:31
This need to be edit directly in the theme files, which hold the codes. So you need FTP client – nonsensecreativity Mar 19 '13 at 4:32
Ok, is this recommended? What happens if the theme gets updated? Do I lose my changes? – OneChillDude Mar 19 '13 at 4:34
Not recommended, if theme updated, you lose your changes. So better to backup your changes. As I know there is no other way to add functionality to theme without editing it's functions files – nonsensecreativity Mar 19 '13 at 4:36
@bwheeler96 it really depends on how the particular theme is built, but it may be possible to simply remove the meta box and add your own via a child theme which duplicates the functionality while adding your own custom options. this way your changes aren't overwritten in a theme update. – Milo Mar 19 '13 at 5:29

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