Sender is a player
Whether a player, not the console, typed the command, so player-only steps are safe.
A Minecraft element (a check) in Commands. Needs the Basic plan or higher to go live; building and testing are free.
Example
When a player uses /home → If Sender is a player → Teleport them home.
Also called
is player, not console, player only, sender check
Works as a data pack?
No. This one needs the Elementium plugin on a Paper server.