[Home](./index.md) > [bitburner](./bitburner.md) > [SourceFileLvl](./bitburner.sourcefilelvl.md) > [n](./bitburner.sourcefilelvl.n.md) ## SourceFileLvl.n property The number of the source file Signature: ```typescript n: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12; ```