[Home](./index.md) > [bitburner](./bitburner.md) > [Bladeburner](./bitburner.bladeburner.md) > [joinBladeburnerFaction](./bitburner.bladeburner.joinbladeburnerfaction.md) ## Bladeburner.joinBladeburnerFaction() 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. Attempts to join the Bladeburner faction. Returns true if you successfully join the Bladeburner faction, or if you are already a member. Returns false otherwise. Signature: ```typescript joinBladeburnerFaction(): boolean; ``` Returns: boolean True if you successfully join the Bladeburner faction, or if you are already a member, false otherwise. ## Remarks RAM cost: 4 GB