How to Make Sentry with Infinite ammo and Infinite ammo in tf2

The Command: Bind "ent_fire !picker setbuilder !player;ent_fire !picker sethealth 999999999999 !player; ent_create obj_sentrygun teamnum 2 defaultupgrade 2 spawnflags 8" Teamnum 3 = Blue Sentry Defaultupgrades 1= Level 1 sentry 2 = Level 3 sentry 3 = level 2 sentry Also if you have problem in the comments i will answer them asap. If you have any suggestion tell me in the comments