How to set custom font to titleText

**Version used:** 1.13.3
**Android version:** Android - 9

How to set custom font to titleText ?
I want to apply these style to the title text, How. can i do it ?

```
  <item name="android:fontFamily">@font/hk_grotesk</item>
        <item name="android:textStyle">normal</item>
        <item name="android:textSize">13sp</item>
        <item name="android:lineSpacingExtra">5dp</item>
```