If you're not a mentor or just don't like using API scripts, you can use this little trick for your monsters. It doesn't work for players though, because they don't have access to the /as or /emas chat commands. The /as command lets you speak as someone else without using the dropdown menu, such as below...  /as "Bandit" Give us all your gold or you die! >> shows up in chat as >>  Bandit:  Give us all your gold or you die!  This means you can use /as to separate attack name, attack roll, damage, effects, and such like so...   /emas The shambling mound lurches forward and tries to slam you into the ground.
/as "Slam" Reach 10 ft
/as "Attack" [[1d20+5]] vs AC
/as "Damage" [[1d8+3]] bludgeoning      The shambling mound lurches forward and tries to slam you into the ground. 
 Slam:  Reach 10 ft
 Attack:  [23] vs AC
 Damage:  [7] bludgeoning