Append Airtable record ID to linked record field?

Hi all,

I have a webhook which I want to update a “Training” record in Airtable when click, which adds the user’s record ID to the Attendees (linked record) field.

I had this done no problem for one user, however, adding further users to the same Training record overwrites the previous ones. Is there a way I can append further user record IDs to the Attendees field? I’ve search the forum and seen some answers relating to using Add or Map array functions, but I don’t understand these entirely, or can’t get them to work.

Any help would be much appreciated as ever.

Many thanks and kind regards,


Hi @Matt_J ! before updating the training record with the attendee id, get the details of the training, and than when updating the training use add(current attendes array;new attendee id). Let me know if you need more details.

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