# 3210 - (Purchases) Quantity screen

3210 – (Purchases) Quantity screen

{% hint style="info" %}
Please check the page “[Quantity Screen](https://doc.sysdevmobile.com/mss-extensibility/mss-5.0/mss-extension-functions-mss-kalipso/mss-extension-quantity-screen)” for detailed information
{% endhint %}

| Event   | Extension action set  | Description                                           |
| ------- | --------------------- | ----------------------------------------------------- |
| Before  | EXT\_3210\_1\_Before  | Will be executed before MSS open the quantity screen; |
| Replace | EXT\_3210\_2\_Replace | Will replace MSS quantity screen;                     |
| After   | EXT\_3210\_3\_After   | Will be executed after closing the quantity screen;   |


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