# AgSum

Aggregates loop iterations and calculates the sum of the specified element.

This function requires a loop expression. For more information, see [Loop expressions](https://help.qlik.com/talend/r/en-US/8.0/data-mapper-user-guide/loop-expressions).

## Arguments

| Arguments | Definitions |
| --- | --- |
| Variable arguments | Add the map element to aggregate as arguments. |