This data pack is meant to be edited and as a template.
This data pack lets you compost any item (that you have been added manually. See below.) and change what the compost drops.

The custom compost item and drop that is made as a template when you install this data pack is Rotten Flesh item that have 20% chance to become composted and have a chance (after compost is full and clicked) 5/3/1 to drop dirt/coarse_dirt/diamond

To compost a custom item, the user must drop the item into the composter
To have the custom compost drop the user must drop a custom compostable item into the compost first

Before editing extract downloaded zip file into Custom Compost folder

How to add your own custom compost item:

1. Go to "Custom Compost > data > c_compost > functions > item" and duplicate rotten_flesh.mcfunction
   
2. Rename the duplicated file to your custom compost item. Let's use gravel item. so rename it to gravel.mcfunction
   
3. Open gravel.mcfunction and change the code below
   execute as @e[type=item,nbt={Item:{id:"minecraft:rotten_flesh"}}] at @s if block ~ ~ ~ minecraft:composter unless block ~ ~ ~ minecraft:composter[level=7] unless block ~ ~ ~ minecraft:composter[level=8] run function c_compost:chance/50
#From the code above, change it to this below. 100% chance.
execute as @e[type=item,nbt={Item:{id:"minecraft:gravel"}}] at @s if block ~ ~ ~ minecraft:composter unless block ~ ~ ~ minecraft:composter[level=7] unless block ~ ~ ~ minecraft:composter[level=8] run function c_compost:chance/100
   Do note: beside 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 percent chance. You have to add the chances your self
4. Go to "Custom Compost > data > c_compost > functions" and open main.mcfunction
5. Below this code
   function c_compost:item/rotten_flesh
   Add this code (calls the function file you just made)
   function c_compost:item/gravel

How to add custom compost drop:

1. Go to "Custom Compost > data > c_compost > loot_tables" and open c_compost.json
   
2. Change it as you wish