---
schema_version: "1"
id: 1029f1b92450bb00f5eeefc1c13fd8ce45b0750517d4c59a995c28d5ce875188
title: refreshCartMSMessage Method
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/industries/cme/guides/comms-t-refreshcartmsmessage-method.md
canonical_url: https://developer.salesforce.com/docs/industries/cme/guide/comms-t-refreshcartmsmessage-method.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 2eccac1ee0ea5ee7e76883776460f0c3c090c8b7c09063babf35fb29b38da6fb
products:
  - Communications, Media, Energy and Utilities APIs (Managed Package)
  - Industries Developer Documentation
---
# refreshCartMSMessage Method

Regenerates all the messages of a group cart.

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## Class

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## Input Parameters

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| Parameter | Required                   | Description                                                                                                                            |
| --------- | -------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| cartId    | Required                   | Any cart, usually a group cart.                                                                                                        |
| validate  | Optional: Defaults to true | True: It executes validation for a given cart ID and updates the multi service messages. False: It updates the multi service messages. |

## Output Parameters

JSON that contains action refreshGroupMSMessage. For more details, see the sample output.

## Input Data

<!-- This is usually JSON, but it could be XML or a single value. For methods of classes implementing VlocityOpenInterface2 that have options parameters, include those here.-->

```
{"cartId":"0Q05g000000x5f3CAA"}
```

## Output Data

<!-- This is usually JSON, but it could be XML or a single value. Salesforce uses Return Type, but this takes care of that.-->

```
{"totalSize":0,"actions":{"refreshgroupmsmessage":{"rest":{"params":{},"method":null,"link":null},"remote":{"params":{"methodName":"refreshGroupMSMessage","groupId":"a3W5g000000LNyxEAG"}},"client":{"params":{}}}}}
```