# Control

### 1. wait () seconds <a href="#id-1-wait--seconds" id="id-1-wait--seconds"></a>

Wait for a specified period of time to run the script.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-1-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-1-2.png)

Press Button A. One second later, Codey's screen will display the image.

### 2. repeat () <a href="#id-2-repeat" id="id-2-repeat"></a>

Run the script for the specified number of times.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-2-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-2-2.png)

When Codey starts up, it will play the sound "hello" for ten times.

### 3. forever <a href="#id-3-forever" id="id-3-forever"></a>

Run the script repeatedly.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-3-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-3-2.png)

When Codey starts up, Codey's will repeated display the two images consecutively.

### 4. if () then () <a href="#id-4-if-then" id="id-4-if-then"></a>

If the report condition is met, run the script.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-4-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-4-2.png)

When Codey starts up, if being shaken, Codey will play the sound "hello".

### 5. if () then () else () <a href="#id-5-if-then-else" id="id-5-if-then-else"></a>

If the report condition is met, run script 1. If not, run script 2.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-5-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-5-2.png)

When Codey starts up, if there are obstacles ahead, Codey Rocky will stop moving. If not, Codey Rocky will keep moving forward at 50% power.

### 6. wait () <a href="#id-6-wait" id="id-6-wait"></a>

Wait until the report condition is met. Run the script.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-6-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-6-2.png)

After starting up, Codey Rocky will keep moving forward at 50% power until Rocky detects obstacles ahead.

### 7. repeat until () <a href="#id-7-repeat-until" id="id-7-repeat-until"></a>

Run the script repeatedly until the report condition is met.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-7-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-7-2.png)

After starting up, Codey Rocky will keep moving forward at 50% power until Rocky detects obstacles ahead.

### 8. stop () <a href="#id-8-stop" id="id-8-stop"></a>

Stop the specified script or scripts. There are three options: all, this script, or other scripts in sprite.

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-8-1.png)

**Example:**

![](http://docs.makeblock.com/codeyrocky/en/block-reference/images/control-8-2.png)

Press Button A to stop all scripts.


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