I do the same, but with cards in Trello that I get added to.
One addition that helps me is that I add #trello to the content field, so I can easily see and filter stuff that I got from Trello. My content field looks like this:
{{card__name}} (in {{board__name}}/{{card__list__name}}) #trello
…and in the note field I add both the card URL and the board URL.
I am also interested in output from DL. Via Zapier or similar.
My main usecase is to export an item when it gets a certain tag.
The purpose is that I can send ideas or action items elsewhere, that show up when I am taking notes in DL.
I like to have DL as main capture / note taking tool because it is so fast. And because the tagging is so powerful.
But without the export like this, I don’t really get a proper value out of it.