[Home](./index.md) > [bitburner](./bitburner.md) > [Singularity](./bitburner.singularity.md) > [isBusy](./bitburner.singularity.isbusy.md) ## Singularity.isBusy() method If you are not in BitNode-4, then you must have Level 1 of Source-File 4 in order to use this function and the RAM cost is doubled. Returns a boolean indicating whether or not the player is currently performing an ‘action’. These actions include working for a company/faction, studying at a univeristy, working out at a gym, creating a program, committing a crime, or carrying out a Hacking Mission. Signature: ```typescript isBusy(): boolean; ``` Returns: boolean True if the player is currently performing an ‘action’, false otherwise. ## Remarks 0.5 GB Level 1