COMMAND DOCS
Syntax
        COMMAND DOCS [command-name [command-name ...]]
- Available since:
 - 7.0.0
 - Time complexity:
 - O(N) where N is the number of commands to look up
 - ACL categories:
 - 
              
                
@slow,@connection, 
Return documentary information about commands.
By default, the reply includes all of the server's commands. You can use the optional command-name argument to specify the names of one or more commands.
The reply includes a map for each returned command. The following keys may be included in the mapped reply:
- summary: short command description.
 - since: the Redis version that added the command (or for module commands, the module version).
 - group: the functional group to which the command belongs.
Possible values are:
- bitmap
 - cluster
 - connection
 - generic
 - geo
 - hash
 - hyperloglog
 - list
 - module
 - pubsub
 - scripting
 - sentinel
 - server
 - set
 - sorted-set
 - stream
 - string
 - transactions
 
 - complexity: a short explanation about the command's time complexity.
 - doc_flags: an array of documentation flags.
Possible values are:
- deprecated: the command is deprecated.
 - syscmd: a system command that isn't meant to be called by users.
 
 - deprecated_since: the Redis version that deprecated the command (or for module commands, the module version)..
 - replaced_by: the alternative for a deprecated command.
 - history: an array of historical notes describing changes to the command's behavior or arguments.
Each entry is an array itself, made up of two elements:
- The Redis version that the entry applies to.
 - The description of the change.
 
 - arguments: an array of maps that describe the command's arguments. Please refer to the Redis command arguments page for more information.