---
schema_version: "1"
id: 68e7b6396030f0c30a55f3df3933e979098f6420e0d99959e298e75ba7edf1a9
title: delta Parameters
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/analytics/264-0-0/bi_integrate_delta_transformation_operation.md
canonical_url: https://help.salesforce.com/s/articleView?id=analytics.bi_integrate_delta_transformation_operation.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: cdefe84dcf83aa42dfd934273a7401a3b487ce6054e2c063c735d27332715eb5
description: When you define a delta transformation, you set the action attribute to delta and specify the parameters.
products:
  - CRM Analytics
  - Cross Cloud
release: "264"
---
# delta Parameters

When you define a delta transformation, you set the action attribute to `delta` and specify the parameters.

This table describes the input parameters.

  
| Parameter | Required? | Value |
| --- | --- | --- |
| dimension | Yes | Dimension column in the dataset used to sort records when calculating the delta values. |
| epoch | Yes | Epoch date column in the dataset used to sort records within each dimension when calculating delta values. |
| inputMeasure | Yes | Measure column on which you want to calculate the delta. |
| outputMeasure | Yes | Name of the output column that contains the delta value. |
| source | Yes | Node in the dataflow definition file that contains the dataset to which you want to add the delta column. |

#### See Also

- [delta Transformation](https://help.salesforce.com/s/articleView?id=analytics.bi_integrate_delta_transformation.htm&release=264.0.0&type=5 "The delta transformation calculates changes in the value of a measure (number) column in a dataset over time. The delta transformation generates an output column in the dataset to store the delta for each record. Create deltas to make it easier for business analysts to include them in queries.")