data-xf-click="toggle" and hide other opened "block-body--collapsible"

[Scandal]

Hello all!

Well, I have this code, multiple times inside the page to toggle blocks.
HTML:

<h3 class="block-formSectionHeader">
    <span class="collapseTrigger collapseTrigger--block" data-xf-click="toggle" data-target="< :up:next">
        <span>Something 1</span>
    </span>
</h3>
<div class="block-body block-body--collapsible">
    Lalala content                      
</div>

The problem: I need once "Something X" h3 clicked to toggle the block-body--collapsible --> It works already via...

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data-xf-click="toggle" and hide other opened "block-body--collapsible"

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