Current command:
lf viking sim --help
Enables simulation of viking card with specified card number. Simulation runs until the button is pressed or another USB command is issued. Per viking format, the card number is 8 digit hex number. Larger values are truncated. usage: lf viking sim [-h] --cn <hex> options: -h, --help This help --cn <hex> 8 digit hex viking card number examples/notes: lf viking sim --cn 01A337