Macro /function test {"minecraft:rarity":"epic"} is unusable

1.Install this datapack 1.21datapack.zipor 1.20.6datapack.zip

    ^{function value:} 

$give @s stick[rarity:$(minecraft:rarity)]

^{2./function test {"minecraft:rarity":"epic"}}

^{it will Unknown function minecraft:test because Macro not allow function use value $(minecraft:rarity)}