# Add sources

Use the **addPromotionSources** method to define new sources for an existing promotion.

## Request parameters

<table><thead><tr><th width="174.5333251953125">Parameter</th><th>Type / Description</th></tr></thead><tbody><tr><td><code>sessionID</code></td><td><p><strong>Required (string)</strong></p><p>Output of the <strong>Login</strong> method.</p></td></tr><tr><td><code>promotionCode</code></td><td><p><strong>Required (string)</strong></p><p>The code corresponding to the promotion that you want to add products to.</p></td></tr><tr><td><code>promotionSources</code></td><td><p><strong>Required (string array)</strong></p><p>Array of strings defining the promotion sources.</p></td></tr></tbody></table>

### Request sample

```php
<?php

require ('PATH_TO_AUTH');

// Promotion code corresponding to the promotion you want to add sources to
$promotionCode = '';

// Sources array with the source values 
$sources = ['source1', 'source2'];

try {
    $updatedPromotion = $client->addPromotionSources($promotionCode,$sources);
}

catch (SoapFault $e) {
    echo "UpdatedPromotion: " . $e->getMessage();
    exit;
}

var_dump("UpdatedPromotion", $updatedPromotion);
```

## Response parameters

<table><thead><tr><th width="171.33349609375">Parameter</th><th>Type / Description</th></tr></thead><tbody><tr><td><code>promotionSources</code></td><td><p><strong>String array</strong></p><p>Array of strings defining the promotion sources.</p></td></tr></tbody></table>


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