Give tamed wolves commands through chat

There should be certain words that you can type into the chat to command your tamed wolves. Maybe /dogs to address all of them, or you can address them individually by name (/fluffles). 
Some commands could be:

Sit/stand - all addressed wolves sit/stand

Come - all wolves immediately move towards you

Attack [mob] - all wolves attack the nearest mob of that type. (Or you can target a specific named mob.) They will keep attacking that type of mob until either they are all dead or you tell them “leave it” or “stop”.

stay- all wolves will stop moving, but will still teleport and attack. This could keep them from pushing each other off cliffs.

fetch [item] - a wolf brings an item stack to you. 

leave it or stop- the wolves will stop attacking.

Roll over - does a “roll over” animation. Serves no practical purpose.

Good dog - the wolf wags it’s tail.

For example: /dogs attack zombie

Or: /fluffles fetch netherite_block