If you are a mod or modpack developer, you can add custom Incense using a datapack. Custom incense files go in the data/my_mod/wetland_whimsy/incense folder.

Here is an example Incense file:

{
	"item": "my_mod:my_item",
	"loot_table": "my_mod:incense/my_loot_table",
	"color": [0.5, 0.5, 0.5],
	"entities": [
		"minecraft:creeper",
		"my_mod:my_entity"
	]
}

The fields are as follows:

Item

item

This contains the resource location of any item. Some examples would be minecraft:dirt, aether:zanite_pickaxe, or wetland_whimsy:ancient_coin.

Loot Table

loot_table

This contains the resource location of any loot table. It is recommended to place incense loot tables inside of an incense subfolder, but this is completely optional and the loot table may be placed in whatever subfolder you desire (or none at all).

Color

color

This contains an array of floats, representing RGB values. Each one goes from 0 to 1.

Entities

entities

This contains an array of resource locations for entities. It may include as few or as many as you wish. I personally recommend around 4.