An IEntityDrop refers to a drop from an Entity.

Importing the package

Link to importing-the-package

It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import.
import crafttweaker.entity.IEntityDrop;

You can retrieve this information out of them.

ZenGetterWhat does it doReturn typeUsage
ZenGetter
chance
What does it do
Returns the chance of the drop.
Return type
float
Usage
drop.chance
ZenGetter
max
What does it do
Returns the maximum Amount of the drop.
Return type
int
Usage
drop.max
ZenGetter
min
What does it do
Returns the minimum Amount of the drop.
Return type
int
Usage
drop.min
ZenGetter
playerOnly
What does it do
Returns whether the drop is playerOnly.
Return type
boolean
Usage
drop.playerOnly
ZenGetter
range
What does it do
Returns the minimum to maximum Amount range of the drop.
Return type
IntegerRange
Usage
drop.range
ZenGetter
stack
What does it do
Returns the dropped Item.
Return type
IItemStack
Usage
drop.stack