TITLE setBlockMetadata
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TEXT --{
setBlockMetadata(position, metadata)
setBlockMetadata(x, y, z, metadata)

Sets the metadata of a block.

- position: The position of the block
- x, y, z (int): The coordinates of the block
- blockName (string): The name of the block
- metadata (int): The new metadata. This has to be between 0 and 15 (including both)
}--