Dictates what to place as the foundation.
| Type | Name | Default Value | Description |
|---|---|---|---|
| String | custom_block | The full name of the block to be used on the foundation | |
| String | nbt_file | Name of the nbt file to place as the foundation. | |
| Integer | offset | Number of blocks downwards to offset the placement of this foundation. | |
| String | pillar_height | The height of the pillar-style foundation | |
| Boolean | place_instant_block_by_block | Whether to override the instant placement behavior of this foundation. | |
| String | placement_rule | The rule that dictates when to place this foundation: always, instant_only | |
| String | style | Style of foundation to generate: inverted_pyramid, pillar, bowl, dome, supports |