# Commands
You can create your own commands.
Every command has its formula!
You create formulas by your self. Commands can be of any complexity and structure!
## How to create command
For example we want to create command that will spawn balls in our scene.
It contains 2 parts: sentence "Spawn\_balls" + Integer "count"
Spawn\_balls \[int: count]
### 1. Create `CmdFormula`
Create `CmdFormula` field in your script.
```
using TIM;
using UnityEngine;
public class DemoScript : MonoBehaviour
{
public CmdFormula SpawnBallsFormula;
}
```
Select **SpaceType**: Space or Underline `_`
➕ You can add new part (or remove e excess part) and customize it. We need 2 parts.
Select [`PartType` ](/tim.console/commands/parttype-c.md)for each part and our formula should look like this:
### 2. Create a method that will be called when executing the command
```
using TIM;
using UnityEngine;
public class DemoScript : MonoBehaviour
{
public CmdFormula SpawnBallsFormula;
private void OnSpawnBallsCommand(CmdInputResult result)
{
}
}
```
[CmdInputResult ](/tim.console/commands/cmdinputresult-c.md)contains user's input string already separated in parts and parsed to necessary types! So to get balls count you just need to get value from Part that contains balls count value:
```
using TIM;
using UnityEngine;
public class DemoScript : MonoBehaviour
{
public CmdFormula SpawnBallsFormula;
public GameObject BallPrefab;
private void OnSpawnBallsCommand(CmdInputResult result)
{
int ballsCount = result.Parts[1].Integer;
for (int i = 0; i < ballsCount; i++)
{
Instantiate(BallPrefab);
}
}
}
```
### 3. Register your command
You need to register your command in Console
```
using System;
using TIM;
using UnityEngine;
public class DemoScript : MonoBehaviour
{
public CmdFormula SpawnBallsFormula;
public GameObject BallPrefab;
private void Start()
{
TIM.Console.RegisterCommand(SpawnBallsFormula, OnSpawnBallsCommand);
}
private void OnSpawnBallsCommand(CmdInputResult result)
{
int ballsCount = result.Parts[1].Integer;
for (int i = 0; i < ballsCount; i++)
{
Instantiate(BallPrefab);
}
}
}
```
## ✅ All done!
Write console command
spawned balls
---
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