Schema
Schema is a command with arguments mask, without first service char.
start { deep_link }
ban { period } { reason }
stats
You can pass to filter multiple schemas, using comma
CommandMk2('ban { period } { reason }', 'block { period } { reason }')
Prefix should be set using special field, don’t put prefix into schema
CommandMk2('ban { period } { reason }', prefix='/!|')
In this examlpe, any char from string will be used as prefix for check.