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[Home ](./index.md ) > [bitburner ](./bitburner.md ) > [Singularity ](./bitburner.singularity.md ) > [getAugmentationPrereq ](./bitburner.singularity.getaugmentationprereq.md )
## Singularity.getAugmentationPrereq() method
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Get the pre-requisite of an augmentation.
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< b > Signature:< / b >
```typescript
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getAugmentationPrereq(augName: string): string[];
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```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
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| augName | string | Name of Augmentation. |
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< b > Returns:< / b >
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string\[\]
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Array with the names of the prerequisite Augmentation(s) for the specified Augmentation.
## Remarks
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RAM cost: 5 GB \* 16/4/1
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This function returns an array with the names of the prerequisite Augmentation(s) for the specified Augmentation. If there are no prerequisites, a blank array is returned.