We usually would go to the surfaces setting and click new> new from catalog>bim cloud library...
but this only allows us to load 1 surface each time.
This is not 'loading' a surface.
They are already loaded in your library - otherwise they would not be there for you to add.
You are creating new surface attributes, and as all of the settings for each new surface is different, this is probably why you are allowed only to do one at a time.
Once created, they are then an attribute which you can export/import to any file - more than one at a time.
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Versions 6.5 to 25
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