[Home](./index.md) > [bitburner](./bitburner.md) > [Singularity](./bitburner.singularity.md) > [gymWorkout](./bitburner.singularity.gymworkout.md) ## Singularity.gymWorkout() 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. This function will automatically set you to start working out at a gym to train a particular stat. If you are already in the middle of some “working” action (such as working at a company, for a faction, or on a program), then running this function will automatically cancel that action and give you your earnings. The cost and experience gains for all of these gyms are the same as if you were to manually visit these gyms and train Signature: ```typescript gymWorkout(gymName: Gym, stat: GymStat): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | gymName | [Gym](./bitburner.gym.md) | Name of gym. You must be in the correct city for whatever gym you specify. | | stat | [GymStat](./bitburner.gymstat.md) | The stat you want to train. | Returns: boolean True if actions is successfully started, false otherwise. ## Remarks 2 GB Level 1