---
schema_version: "1"
id: 4ecb91cda920e20cb87e35761789dda265e2eeb53d0c035274bb481a8680f62a
title: groupRollup Method
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/industries/cme/guides/comms-t-grouprollup-method.md
canonical_url: https://developer.salesforce.com/docs/industries/cme/guide/comms-t-grouprollup-method.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: abe3eb81c918b351339374e30fc51f7e3148561e07ddb6bada3ea4d89d352407
products:
  - Communications, Media, Energy and Utilities APIs (Managed Package)
  - Industries Developer Documentation
---
# groupRollup Method

Calculates the pricing rollups (OneTime, Recurring, Usage) for a group.

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## Class

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## Input Parameters

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| Parameter    | Required                                          | Description                                       |
| ------------ | ------------------------------------------------- | ------------------------------------------------- |
| parentId     | Required                                          | Opportunity ID.                                   |
| contextId    | Required                                          | Parent cart Id (Master/Enterprise Quote/Order Id) |
| groupId      | Required                                          | Group ID.                                         |
| groupCartId  | Optional: Required only if groupId is not passed. | Group Cart Id.                                    |
| groupFields  | Optional                                          | Group Field list.                                 |
| masterFields | Optional                                          | Master Field list.                                |
| quoteFields  | Optional                                          | Quote Field list.                                 |

## Output Parameters

| Parameter | Description           |
| --------- | --------------------- |
| message   | In case of any error. |


## Example 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.-->

```
{"groupId": "a3O3t000003ADvzEAG", "contextId": "0Q03t000001ugKu", "parentId": "0063t00000tPwO7"}
```

## Example 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.-->

```
{"message": "Not able to find out Group"}"error":"OK"}
```