[RSS Feed/News] field-adder trigger button?

[XenForo]

I was wondering if there's any solution for this. For example, I have this
Code:

<li data-xf-init="field-adder">
   <xf:textbox name="example[]" value="" />
</li>

Everyone knows it will automatically be added each time we type something in the textbox. But I want to add something like this
Code:

<xf:button data-xf-click="field-adder">{{ phrase('add') }}</xf:button>
Does anyone have an idea?

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