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Identifier
Identifiers (also known as resource locations, namespaced IDs, namespaced identifiers, resource identifiers,[1] or namespaced strings[2]) are a way to declare and specify game objects in Minecraft, which can identify built-in and user-defined objects without potential ambiguity or conflicts.
Identifiers are used as plain strings to reference blocks, items, entity types, and various other objects in vanilla Minecraft.
A valid identifier has a format of namespace:path, where only certain characters can be used.
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