Set Block
Sets a block on a location for a specified amount of time.
Parameters
| Parameter | Description | Example |
|---|---|---|
| Location | The location of the block to set. Format: world, x, y, z | world, 196, 64, -381 |
| Block | The block material to set, must be a valid Bukkit block material. Items will not work. | STONE |
| BlockData | Optional block state data, such as open gates or rotated stairs. Use [] if none. See Minecraft block states. | [] |
| Duration | Duration in ticks for how long the block stays set before reverting. | 100 |
| Real | Whether to spawn a real block or not. If true, the block cannot be displayed privately in private shows. | false |
| Delay | Number of ticks to wait after the show starts before activating the effect. | 40 |
YML Preset
'1':
Type: SET_BLOCK
Location: world, 0, 0, 0
Block: STONE
BlockData: []
Duration: 100
Delay: 0
Real: false
Preview

Youtube Tutorial
Just uhh, use this wiki... :)