una/studio/template/agents_popup_chat.html

<div class="bx-agents-popup-chat-wrap" data-agent-id="__agent_id__">
    <aside class="bx-agents-popup-chat-list">
        <div class="bx-agents-popup-chat-list-title">__txt_chats__</div>
        <div class="bx-agents-popup-chat-list-search">
            <input type="search" id="__chat_id__-search" class="bx-agents-popup-chat-list-search-input" placeholder="__txt_search__" aria-label="__txt_search__" autocomplete="off" />
        </div>
        <div class="bx-agents-popup-chat-list-empty" style="display:none;">__txt_search_empty__</div>
        <div class="bx-agents-popup-chat-list-items">
            <bx_repeat:threads>
                <button type="button" class="bx-agents-popup-chat-thread__class_mine__" data-thread-id="__thread_id__" data-writable="__writable__" data-context="__context_pid__">
                    <span class="bx-agents-popup-chat-thread-title">__title__</span>
                    <span class="bx-agents-popup-chat-thread-meta">__meta__</span>
                </button>
            </bx_repeat:threads>
        </div>
    </aside>
    <div class="bx-agents-popup-chat-main">
        <div class="bx-agents-popup-chat-artifacts" style="display:none;"></div>
        <div id="__chat_id__" class="bx-agents-popup-chat"></div>
        <div class="bx-agents-popup-chat-note" style="display:none;">__txt_readonly__</div>
    </div>
</div>