#HSETNX

Works with hash fields stored under one key.

#Syntax

HSETNX <key> <field> <value>

#Parameters

• key: Primary key to read or mutate.
• field: Hash field name.
• value: Value written to BetterKV.

#Returns

Returns a Redis-compatible reply whose exact shape depends on the command and selected options.

#Examples

HSETNX user:1 created_at 2026-03-12

#BetterKV Notes

• Group: Hash.
• Access: Write.
• Status: Implemented in BetterKV and mutates server state or stored data.