This activity extracts all emails from a field in filtered list items and stores the result in a variable.
You can use this to retrieve email recipients from an external list. The activity enumerates list items, extracts emails from the specified field, and returns a string with unique emails concatenated by a semicolon (“;”).
Supports automatic detection of emails from user strings (e.g., DOMAIN\userName) and SPUser(s) objects.

SharePoint Workflow Designer Phrase
Get emails from all items, from this field in current list and store result in variable.
Parameters
| Parameter | Description |
| All | Optional. List item filter. The filter string supports View Name, View ID, and CAML string (<Where>…</Where>). An empty filter returns all items. |
| this field | Field display name, unique ID (GUID), or index (int) from which to extract emails. |
| current list | Optional. Source list. Default value is the current list. |