[Home](./index.md) > [bitburner](./bitburner.md) > [Sleeve](./bitburner.sleeve.md) > [setToFactionWork](./bitburner.sleeve.settofactionwork.md)
## Sleeve.setToFactionWork() method
Set a sleeve to work for a faction.
Signature:
```typescript
setToFactionWork(
sleeveNumber: number,
factionName: string,
factionWorkType: FactionWorkType | `${FactionWorkType}`,
): boolean | undefined;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| sleeveNumber | number | Index of the sleeve to work for the faction. |
| factionName | string | Name of the faction to work for. |
| factionWorkType | [FactionWorkType](./bitburner.factionworktype.md) \| \`${[FactionWorkType](./bitburner.factionworktype.md)}\` | Name of the action to perform for this faction. |
Returns:
boolean \| undefined
True if the sleeve started working on this faction, false otherwise, can also throw on errors
## Remarks
RAM cost: 4 GB
Return a boolean indicating whether or not the sleeve started working or this faction.