https://github.com/SirPlease/L4D2-Competitive-Rework/blob/master/Dedicated%20Server%20Install%20Guide/README.md
'tick60_maps': {
'port': 27030,
# add command line arguments
'arguments': ['-tickrate 60'],
# stack overlays, first is uppermost
'overlays': ['tickrate', 'standard'],
# server.cfg contents
'config': [
# configs from overlays are accessible via server_${overlay}.cfg
'exec server_tickrate.cfg',
# add more options
'sv_minupdaterate 101',
'sv_maxupdaterate 101',
'sv_mincmdrate 101',
'sv_maxcmdrate 101',
'sv_consistency 0',
],
},
