# Marketo - Add leads to lead list action
This action selects leads in your Marketo instance from list of lookup values (Leads source list) and adds them to a list.
Add leads to lead list action
|List ID||The list ID of the target list.|
|Lead IDs source list||A list datapill of lead IDs.|
The output of this action is a list of add-to-list operations, including the List size and List index. Each event contains the following fields.
|ID||The request ID of the lead record.|
|Status||The status of the add-to-list operation.|
|Reasons||If the operation fails, the reason will be detailed here.|
For a full list of
List operation fields, see here (opens new window).
Last updated: 7/2/2021, 10:09:23 AM