In Docs,
<commands>
A group of settings
<command name> : <bool>
or
<commandname> : [ <bool>, <bool> ]
First boolean value is for atcommand, second one for charcommand. If set to
true, group can use command. If only atcommand value is provided, false is
assumed for charcommand. If a command name is not included, false is assumed for
both atcommand and charcommand.
so if its
rates: true
the char command is not enabled.
rates: true
rates: [ true, false ]
Both Means the same.