the problem is that i want to have only 1 upload field that users can select 6 images and send them, but in zapier-salesforce settings, zapier pulls the images as individual fields check capture:
The Multi-file Upload Field requires some additional JSON handling to be able to properly parse the files as multiple files but also be attached to the one field.
It’s discussed in this documentation for the filter gform_zapier_field_value
You can add this code and forget it, because it is configured to ALWAYS normalize the JSON encoding for multiple file upload fields: