Lava/FS

Name	Default value	Allowed values	Description
falling	`false`	`true` `false`	Always false.

Flowing lava

Name	Default value	Allowed values	Description
falling	`false`	`false` `true`	True for falling lava, false for lava with a block below.
level	`1`	`1` `2` `3` `4` `5` `6` `7` `8`	Height of the lava, 8 when the lava is falling.