[Home](./index.md) > [bitburner](./bitburner.md) > [Singularity](./bitburner.singularity.md) > [getAugmentationPrereq](./bitburner.singularity.getaugmentationprereq.md) ## Singularity.getAugmentationPrereq() method SF4.3 - Get the pre-requisite of an augmentation. Signature: ```typescript getAugmentationPrereq(augName: string): string[]; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | augName | string | Name of Augmentation. | Returns: string\[\] Array with the names of the prerequisite Augmentation(s) for the specified Augmentation. ## Remarks RAM cost: 5 GB 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.