Thank you for your answer!
To be clear, I don’t want the categories “Video”, “Audio” and “Document.
I need to replace them by three other categories of Photos, to obtain Photo A, Photo B and Photo C.
Answers to your questions:
1/ Non, the users will be free to create as many galleries as they want.
2/ Yes, once my categories are created, they will suffice.
After several tries based on the documentation I found here https://buddydev.com/mediapress/topics/api-reference/core/media-type/mpp_register_type/, I was able to create the category “Presentation” using the code “function mpp_custom_register_presentation_type” given in the documentation.
That’s exactly the result I want to get, but instead of a “Presentation” category, I want a “Photo” category where jpep,png,jpg files will be uploaded.
In this same documentation, there is another code : ” function mpp_custom_register_presentation_type_support”, and I don’t understand what is the use of this code.
Thanks for your help!