File advanced only specific extensions - Meta Box

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March 10, 2022 at 1:55 AM #34438

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Hi Long,

I have 3 Advanced Filed fields. The first one may only select an *.geojson file, the second an *.gpx and the third only and *.pdf

How can I add this to the custom fields? I have tried mime-type but that goes wrong.

Thanks

Cees

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March 10, 2022 at 8:57 PM #34454

Long Nguyen
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Hi Cees,

Using the filter mime type will work for all file extensions, refer to the topic
https://support.metabox.io/topic/how-to-upload-vcf-file-to-custom-post-type-custom-field-upload-file/
https://wordpress.org/support/topic/allow-gpx-file-upload-fails/

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