Solved Skript doesn't let me do anything with commands that someone has wrtitten incorrectly

[SkriptLearner]

The title doesn't really make sense I know, so, let me try and explain...

Basically, this is probably normal but is there a way to change it.
For a command like:

command /kill <player>:
  trigger:
    message "hi"

if argument 1 (player) is not online or if someone has not typed it, skript will give an automated response "That player is not online" or "Correct usage: /kill <player>".

Basically I want to know if I can not have script do that. So I can set my own message when they type it wrong or whatever.

I've seen stuff like:

if arg 1 is not set:

but that doesn't work.

hope ive explained it well

 

[ShaneBee]

2 ways you can do this
1) Skript commands have a "usage" parameter you can add
2) Make your argument optional, then things like `if arg-1 is not set` will work

 

[SkriptLearner]

2 ways you can do this
1) Skript commands have a "usage" parameter you can add
2) Make your argument optional, then things like `if arg-1 is not set` will work

Sounds good.
Sorry I'm not very experiencesd with arguments,how would I do this?

 

[ShaneBee]

Here is a good tutorial for learning all about commands
https://skripthub.net/tutorials/10