---
id: gk-gravitycharts-timeline-tooltip_format
title: "Filter - gk/gravitycharts/timeline/tooltip_format"
sidebar_label: "gk/gravitycharts/timeline/tooltip_format"
---

# Filter: gk/gravitycharts/timeline/tooltip_format

:::warning[Deprecated]

**Deprecated since 1.6.** Use `gk/gravitycharts/timeline/tooltip-format` instead.

:::

### Source

Defined in `src/Chart_Feed.php` at line 2313