[Home](./index.md) > [bitburner](./bitburner.md) > [GangMemberInstall](./bitburner.gangmemberinstall.md) > [def](./bitburner.gangmemberinstall.def.md) ## GangMemberInstall.def property Factor by which the defense ascension multiplier was decreased (newMult / oldMult) **Signature:** ```typescript def: number; ```