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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [Bladeburner](./bitburner.bladeburner.md) &gt; [getSkillUpgradeCost](./bitburner.bladeburner.getskillupgradecost.md)

## Bladeburner.getSkillUpgradeCost() method

You have to be employed in the Bladeburner division and be in BitNode-7 or have Source-File 7 in order to use this function.

This function returns the number of skill points needed to upgrade the specified skill.

The function returns -1 if an invalid skill name is passed in.

<b>Signature:</b>

```typescript
getSkillUpgradeCost(name: BladeburnerSkills): number;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  name | [BladeburnerSkills](./bitburner.bladeburnerskills.md) |  |

<b>Returns:</b>

number

Number of skill points needed to upgrade the specified skill.

## Remarks

RAM cost: 4 GB