# Overview
This action adds, updates, or removes contacts from Responsys PETs depending on the [details of your flow configuration.](🔗)
# Configuration Parameters
| Parameter | Description |
| ** Profile Extension Table ** | Name of the profile extension table within Responsys |
| ** Profile Extension Table Fields ** | [Custom Context](🔗) values to send to profile extension table. A 1:1 relationship between field name and field value is required. |
# How this Action Functions by Flow
Channel actions behave differently when used in different flows. The table below describes the differences for this action.
<!-- We've used this description in multiple Responsys documents -->
| Flow Type | Function |
| **One-Time** | Add a contact to a PET, once at send time |
| **Triggered** | N/A |
| **Stream** | N/A |
| **Recurring** (Recommended) | Add, update, or remove a contact from a PET, on a schedule for all newly added, updated, or removed contacts. |
