How to select rows from a table, concantenate their respective ids...

Questions
3
  1. Here you go.

    Create a model called ConditionRows.

  2. Create a condition on your target model to use a field from another model using the new model, it's operator set to in, and field as I assume to be Id.
  3. Set your mass action to:
  4. Adopt Rows to ConditionRows
  5. Query target Model

Also another reason to have folders for Models as I would create a folder for all the non component used models.