# Custom placeholder (macro)

pro business

Store placeholder (macros) scripts in /var/www/keitaro/application/macros/.

# How to create a placeholder

Let's implement a placeholder {randomx:min,max} that returns random number between min and max.

Create a new file /var/www/keitaro/application/macros/randomx.php with code:

<?php
namespace Macros;

use Traffic\Model\Stream;
use Traffic\RawClick;
use Traffic\Macros\AbstractClickMacro;

class randomx extends AbstractClickMacro
{
    public function process(?Stream $stream, RawClick $click, $min, $max)
    {
        return rand($min, $max);
    }
}
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See also:

# How to create S2S placeholder

Use AbstractConversionMacro instead of AbstractClickMacro. Example:

<?php
namespace Macros;

use Traffic\Model\Stream;
use Traffic\RawClick;
use Traffic\Macros\AbstractConversionMacro;

class randomx extends AbstractConversionMacro
{
    public function process(?Stream $stream, RawClick $click, $min, $max)
    {
        return rand($min, $max);
    }
}
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Read also about AbstractConversionMacro.