Merging Compounds (Copy the data from one onto another compound)

Merging Compounds

You can "merge" the data from any given Compound onto some other Compound. This will overwrite tags with the same name.

Example:

Tag1: {Num1:1, Num2:2} Tag2: {Num1:7, Num3:3}

After merging Tag2 on Tag1:

tag1.mergeCompound(tag2);

Tag1: {Num1:7, Num2:2, Num3:3} Tag2: {Num1:7, Num3:3}

Simulate the "/data merge" command

NBT.modify(zombie, nbt -> {
    nbt.mergeCompound(NBT.parseNBT("{Silent:1b,Invulnerable:1b,Glowing:1b,IsBaby:1b}"));
});