tilda rather than equal | Datapack Hub | Page 1

timber patio Jul 13, 2026, 1:43 PM

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Why is this a tilda rather than an equal (I'm exploring a friend's datapack)

compact nimbusBOT Jul 13, 2026, 1:43 PM

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timber patio Why is this a tilda rather than an equal (I'm exploring a friend's datapack)

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shrewd orbit Jul 13, 2026, 1:43 PM

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= does exact match
~ does performs a ~~item sub-predicate~~ data component predicate

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https://minecraft.wiki/w/Data_component_predicate

Minecraft Wiki

Data component predicate

Data component predicates (historically known as item sub-predicates) are used to check conditions about data components. They are used in minecraft:item_predicate argument type, item modifiers, loot predicates, advancement criteria, and entity and block predicates. They return a pass or fail result to the invoker, who acts differently based on ...

short brook Jul 13, 2026, 1:45 PM

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the = checks for an exact match. This means that it will fail if your item's custom data contains {gui_chest:1b,another_key:1b} because that contains one more key. That's why we use ~ which only checks if all keys specified match which in this case is just gui_chest

shrewd orbit Jul 13, 2026, 1:46 PM

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There are other cases where the ~ can do even more powerful checks, like counting the number of diamonds in a shulkerbox etc.

timber patio Jul 13, 2026, 1:52 PM

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thanks

#tilda rather than equal