Compare Lists and Identify Common Items & Differences Using Custom Keys

This workflow compares two lists of objects (List A and List B) using a user-specified key (e.g. email, id, domain) and returns: Items common to both lists (based on the key) Items only in List A Items only in List B How it works: Accepts a JSON input containing: listA: the first list of items listB: the second list of items key: the field name to use for comparison Performs a field-based comparison using the specified key Returns a structured output: common: items with matching keys (only one version retained) onlyInA: items found only in List A onlyInB: items found only in List B Example Input: { "key": "email", "listA": [ { "email": "alice@example.com", "name": "Alice" }, { "email": "bob@

Help me set up the n8n workflow "Compare Lists and Identify Common Items & Differences Using Custom Keys" (https://n8n.io/workflows/5033). It uses: Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.