---
id: 5d8a4cfbe6b6180ed9a1c9fb
title: Step 30
challengeType: 0
dashedName: step-30
---
# --description--
`call` is another function to use with selections. Chain a `call` function to the selection and pass your `yAxis` variable to it. This will draw your y-axis on the SVG.
# --hints--
test-text
```js
assert($('.tick').length === 11 && /\.call\(\s*yAxis\s*\)/.test(code));
```
# --seed--
## --before-user-code--
```html
D3 Dashboard
```
## --seed-contents--
```html
```
# --solutions--
```html
```