---
title: "Trend.add(value, [tags]) | Grafana k6 documentation"
description: "Add a value to the Trend metric."
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# Trend.add(value, \[tags])

Add a value to the `Trend` metric.

Expand table

| Parameter | Type   | Description                                                                                                                                                                   |
|-----------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| value     | number | The value to add to the trend metric.                                                                                                                                         |
| tags      | object | Set of [tags](/docs/k6/latest/using-k6/tags-and-groups/) that will be tagged to the added data point (note that tags are added per data point and not for the entire metric). |

[Trend examples](/docs/k6/latest/javascript-api/k6-metrics/trend/#examples)