filter all games by screen orientation: horizontal???

[Joels Arcade]

Hello I have tried to figure out how to create a filter to sort out games that have horizontal orientation. I have built a Vertically oriented cabinet and would like to do the opposite of the Vertically oriented games playlist that is automatically created when importing a mame set. in the metadata there is a field called screen orientation : horizontal. but i cannot select that field in the filter selection drop down. 

im simply trying to filter my all games to only display horizontal games so that i can easily remove them from this setup without having to go through each game one by one. Can anyone provide assistance please? thanks

[launchretrogirl2562]

Is this possibly a solution?
 

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