# Execute LUA
{% hint style="info" %}
Use this event if you want to execute one or more LUA commands.
{% endhint %}
{% hint style="success" %}
You can combine [official LUA commands](#official-commands) with [custom LUA commands](#custom-commands) (line by line).
{% endhint %}
## Index
1. [Official Commands](#official-commands)
2. [Custom Commands](#custom-commands)
***
## Official Commands
{% hint style="info" %}
The official WoW LUA API comes with a bunch of commands and functions that anyone can access and use.
[Here you can find a clear list.](https://wowpedia.fandom.com/wiki/World_of_Warcraft_API)
{% endhint %}
{% hint style="info" %}
These commands have different execution levels. Most can be executed individually or in combination directly. Others require a hardware event and can only be executed with a mouse click or key press.
{% endhint %}
* Copy the following command into the LUA event text field.
```
print("My name is "..UnitName("player")..".")
```
* Click on the "Test" button to test the command.
* The output in your in-game chat should look like this:
Since this command doesn't really give us anything, we'll build ourselves a little conditional query to check if we have a Hearthstone in our bags:
```
if GetItemCount(6948) == 1 then
print("Yay, i have a Hearthstone in my bag.")
else
print("I have no Hearthstone in my bag ;(")
end
```
Also possible as a function:
```
function CheckMyHearthstone()
if GetItemCount(6948) >= 1 then
print("Yay, i have a Hearthstone in my bag.")
else
print("I have no Hearthstone in my bag ;(")
end
end
CheckMyHearthstone()
```
{% hint style="info" %}
If a function is passed, it remains until the next reload of the game.
{% endhint %}
Alternatively, we can trigger commands or a conditional query as a Key Press event by placing a **/run** in front of it.
```
/run print("My name is "..UnitName("player")..".")
```
Enter commands line by line if you want to execute several in a row:
```
/run print("My name is "..UnitName("player")..".")
/dance
```
***
## Custom Commands
* Click on "Show custom commands" to display a list and descriptions of all custom commands.
{% hint style="info" %}
To explain the structure, we click on the "WaitForNPC" command on the left.
{% endhint %}
1. Name of the command.
2. Duty Argument.
3. Optional arguments.
{% hint style="info" %}
All arguments in square brackets are optional.
{% endhint %}
1. Description of the command and what it does.
2. Description of all arguments and what influence they can have.
3. Example(s) of correct execution of the command.
{% hint style="info" %}
We have here a command with 4 arguments. One mandatory and three optional.
First we look for the name or ID of the NPC we want to wait for. We simply take the ID "12345" as an example.
{% endhint %}
The simplest execution of the command would now look like this:
```
WaitForNPC("12345")
```
If we now want to change the maximum waiting time, we extend the command and specify a waiting time of 30 seconds:
```
WaitForNPC("12345", "30")
```
We would now like to extend the maximum search radius to 60 yards:
```
WaitForNPC("12345", "30", "60")
```
If we assume that we are looking for a dead target, we set the DeadOrAlive argument to "0":
```
WaitForNPC("12345", "30", "60", "0")
```
{% hint style="warning" %}
Custom LUA commands cannot be tested.
{% endhint %}
---
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