Unique key in PG

const apiInventory = pgTable("api_inventory", {
  id: serial("id").primaryKey(), //I want this to auto-increament.
  // other columns and field here...
  status: text("status").notNull(),
  created_at: timestamp("created_at").defaultNow().notNull(),
  last_modified: timestamp("last_modified").defaultNow().notNull(),
});

const apiInventory = pgTable("api_inventory", {
  id: serial("id").primaryKey(), //I want this to auto-increament.
  // other columns and field here...
  status: text("status").notNull(),
  created_at: timestamp("created_at").defaultNow().notNull(),
  last_modified: timestamp("last_modified").defaultNow().notNull(),
});