/enchant

Syntax

/enchant <targets> <enchantment> [<level>]

Argument	Kind of value	What to type
<targets>	Target selector	The players or mobs whose main hand item is enchanted. Accepts a player name or a target selector that may match several entities. One or more entities.
<enchantment>	Game id	The id of the enchantment to apply, for example minecraft:sharpness. The id of an enchantment.
<level>	Whole number	The enchantment level. Whole number, 0 or higher, and not above the maximum level of the enchantment. Defaults to 1. At least 0.

Permission level	2: operators, worlds with cheats on, command blocks and functions
Works in	Operators on multiplayer servers, singleplayer worlds with cheats enabled, and command blocks and functions.
Result	Reports the enchantment and level applied, and who received it. The number /execute store saves is the number of targets whose held item was enchanted.
Level limit	The level cannot be higher than the maximum level of the enchantment (for example 5 for Sharpness, 3 for Unbreaking, 1 for Mending). A higher number fails with a message that names the maximum.
Default level	If no level is given, level 1 is applied.
Item must support the enchantment	The held item must be one of the items the enchantment supports. Otherwise the command fails with "cannot support that enchantment".
No conflicting enchantments	The command fails if the item already has an enchantment that is exclusive with the new one, or already has the same enchantment. It cannot be used to raise the level of an enchantment the item already has.
Only the main hand	Only the item in the main hand is enchanted. A target with an empty hand fails with "is not holding any item".
Targets must be living	Targets must be players or mobs. Other entities, such as dropped items, are not valid.
Several targets	With more than one target, targets that cannot be enchanted are skipped without an error. If none could be enchanted, the command fails with "Nothing changed".