# Add leads to lead list action (batch)
This action adds leads to a lead list in Marketo.
# Input fields
| Field | Description | 
|---|---|
| List ID / List name | Enter the ID or name of the list to add leads to. | 
| Lead IDs | Expand to configure the lead IDs to be added to the list. | 
| Lead IDs source list (lead IDs) | Input a list datapill from which lead IDs are derived. Learn more about list input. | 
| Lead ID (lead IDs) | Enter the unique identifier of the lead. | 
# Output fields
| Field | Description | 
|---|---|
| Result | A list containing information about the result of the action. | 
| ID (result) | The unique identifier of the lead. | 
| Status (result) | The status of the operation for the lead. | 
| Reasons | An array of reasons if the operation failed for the lead. | 
| Code (reasons) | The error code if the operation failed. | 
| Message (reasons) | The error message if the operation failed. | 
 Last updated: 5/21/2025, 5:22:32 AM