Actions can be used when crafting an item, specifically in the Actions When Crafted option. They can also be used when clicking inventory items.
Player Command
Executes a command from the player. You can use PlaceholderAPI variables.
player_command:spawn
Console Command
Executes a command from the console. Use %player% variable for player name. You can use PlaceholderAPI variables.
console_command:lp user %player% parent set vip
Player Command as Op
Executes a command from the player as OP. (Not recommended)
player_command_as_op:help
Title
Sends a title and subtitle to the player. Use this format:
<fadeIn>;<stay>;<fadeOut>;<title>;<subtitle>
fadeIn, stay and fadeOut must be in ticks, 20ticks = 1second.
If you want just a title, or just subtitle write "none".