# Function aggregate
aggregate(
attribute,aggregationType,name?,format?):BaseMeasure
Creates an aggregated measure.
This is a base function to build other aggregation functions (e.g., sum, average, etc.)
as listed in AggregationTypes.
# Parameters
| Parameter | Type | Description |
|---|---|---|
attribute | Attribute | Attribute to aggregate |
aggregationType | string | Aggregation type. See AggregationTypes |
name? | string | Optional name for the new measure |
format? | string | Optional numeric formatting to apply using a Numeral.js format string. Can only be used for explicit queries. Cannot be used in charts, tables, etc. |
# Returns
A measure instance
# Example
Calculate the total cost across all items in a category from the Sample Ecommerce data model.
measureFactory.aggregate(DM.Commerce.Cost, 'sum'),