---
title: Inline Week Number Render Hooks
---

In DayGrid view, week numbers appear inline within the day cells. Customize their appearance with these hooks.

`inlineWeekNumberClass` - a [ClassName Input](classname-input)

`inlineWeekNumberContent` - a [Content Injection Input](content-injection)

`inlineWeekNumberDidMount`

`inlineWeekNumberWillUnmount`


## Argument

When the above hooks are specified as a function in the form `function(arg)`, the `arg` is an object with the following properties:

- `num`
- `text`
- `textParts`
- `date` - Date object
- `isNarrow`
- `hasNavLink`