Rocket.Chat/app/ui-utils/client/lib/popover.html

<template name="popover">
	<div class="rc-popover rc-popover--{{popoverClass}}" data-popover="popover" style="display: block; visibility: hidden;">
		<div class="rc-popover__content {{#if isSafariIos}}rc-popover__content--safariIos{{/if}}">
			{{#if template}}
				{{> Template.dynamic template=template data=data}}
			{{else}}
				{{#each column in columns}}
					<div class="rc-popover__column">
						{{#each group in column.groups}}
							{{#if group.title}}
								<h3 class="rc-popover__title">{{group.title}}</h3>
							{{/if}}
							<ul class="rc-popover__list">
								{{#each item in group.items}}
									{{# with item}}
									<li data-qa="{{qa}}" class="rc-popover__item {{#if item.modifier}}rc-popover__item--{{item.modifier}}{{/if}}{{#if hasAction}} js-action{{/if}}" data-type={{item.type}} data-id={{item.id.toLowerCase}} data-href={{item.href}} data-sidenav={{item.sideNav}}>
										{{#if item.icon}}
											<span class="rc-popover__icon">
												{{> icon block="rc-popover__icon-element" icon=item.icon }}
											</span>
										{{/if}}
										{{#if item.name}}
											<span class="rc-popover__item-text">{{item.name}}</span>
										{{/if}}
										{{#if item.select}}
											<span class="rc-popover__input">
												{{> selectDropdown title=item.selectTitle name=item.selectName options=item.selectOptions}}
											</span>
										{{/if}}
									</li>
									{{/with}}
								{{/each}}
							</ul>
							<span class="rc-popover__divider"></span>
						{{/each}}
					</div>
				{{/each}}
			{{/if}}
		</div>
	</div>
</template>