how do i format a csv file, so that the multi-ref field will not return null on my before insert hook.

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1

i keep on getting null on my multi-ref field, when i import the csv file to the database. how should i format the multi-ref field on my csv file.

the multi-ref field current format is like this:
apple, grapes - i used comma as the separator

2

Hi,
The multi-reference field item should be an array of ids.

["item1_id", "item2_id"]

You can always create a simple collection with such fields and export it to see how it looks.