This command enables "Buddha" mode, if set to 1. In Buddha mode, you will still appear to take damage, but will not die when you health reaches 0. This command is similar to god, but with the god command, you don't react to/take damage.
The syntax for the buddha command is as follows:
buddha [0 / 1] sv_cheats Default Value: 0
This command has the following arguments:
|0 / 1||Set this to 0 to disable buddha mode (default). Set this to 1 to enable.|
Find below working examples of the buddha command.
This console command disables buddha mode.
The above cheat would enable buddha mode.