Hello, I’m trying to write a workflow that gets specific messages from gmail, appends them to a google sheet, gives them a tag (so it doesn’t append the same messages the next time the workflow gets executed). The workflow also renames and uploads all attachments to a specific folder inside google drive. Now I want to add the attachment links to the specific emails inside the google sheet. This works fine, if the email only has one attachment but the system breaks if it has multiple attachments. That’s why I’m asking if there’s any way to combine items (in this case the attachment) if they have the same value (in this case the ‘emailid’). Ideally the custom function would output something like “link1, link 2, link 3” if there are multiple attachments. Thank you for taking your time and reading this :slight_smile:

Perfect that is good to see, This was on my list to look at for you but it looks like you found the answer :raised_hands:

Combine multiple items of same array by specific key

Questions

one_juru June 30, 2022, 11:23am 2

Replying to myself because I found a working solution:

Topic		Replies	Views
How to join elements in array by Merge key / Combine arrays by key by Function item Questions	3	2318	November 27, 2021
Merge two items into one with new properties (array) Questions data-transformation	2	4183	April 18, 2023
Combine values from the same key for each object in an array Questions data-transformation	2	942	December 15, 2021
How to combine many items in one array? Questions data-transformation	21	15066	July 1, 2025
2024 - How to combine many items in one array? Questions core	1	141	January 7, 2025