> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/mss-extensibility/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-mss-to-kalipso/purchases/3210-purchases-quantity-screen.md).

# 3210 - Quantity screen

3210 – Quantity screen

{% hint style="info" %}
Please check the page “[Quantity Screen](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/quantity-screen.md)” for detailed information
{% endhint %}

<table data-header-hidden><thead><tr><th width="166.33333333333331">Event</th><th>Extension action set</th><th>Description</th></tr></thead><tbody><tr><td>Event</td><td>Extension action set</td><td>Description</td></tr><tr><td>Before </td><td>EXT_3210_1_Before</td><td>Will be executed before MSS open the quantity screen;</td></tr><tr><td>Replace</td><td>EXT_3210_2_Replace</td><td>Will replace MSS quantity screen;</td></tr><tr><td>After</td><td>EXT_3210_3_After</td><td>Will be executed after closing the quantity screen;</td></tr></tbody></table>