Turn on or turn off...

Effect
Command
Read the rules
/rules
PVP (turning it on and off)
/pvp or /pvp toggle
To PVP, both players must have PVP turned on
Keep inventory (turning it on and off)
/keepinv or /keepinventory
Go AFK
/afk
Show my inventory
[inv]
Show an item
[i]
Unequip a gradient color
/nick unequip
Show or hide the scoreboard
/toggle 1
Sign Shop notifications
/cstoggle
Tool particles
/toggleparticles
Item frame glow and visibility (only for Dragon rank)
/itf toggle glow
/itf toggle visiblity
/itf togglemode glow (or visibility)
right click on the item frame you want to change
Toggle pricing on items
/price toggle