Vedis Built-in Commands - Hash.
Removes the specified fields from the hash stored at key. Specified fields that do not exist within this hash are ignored. If key does not exist, it is treated as an empty hash and this command returns 0.
Refer to the download page for some C/C++ samples on how to invoke this command from your host application.
vedis> HDEL config pid
vedis> HGET config pid