<div class="o_chatter_composer_tools">
                        <button tabindex="4" class="btn btn-secondary fa fa-smile-o o_composer_button_emoji" type="button" data-toggle="popover" title="Emojis" aria-label="Emojis"/>
                        <button tabindex="5" class="btn btn-secondary fa fa-paperclip o_composer_button_add_attachment" type="button" aria-label="Add attachment" title="Add attachment"/>
                        <button t-if="widget.options.isMobile" tabindex="3" class="btn btn-secondary fa fa-paper-plane-o o_composer_button_send" type="button" title="Send" aria-label="Send"/>
                    </div>
                </div>
             </div>
             <div class="o_composer_attachments_list"/>
         </div>
         <div class="o_composer_send">
             <button tabindex="3" class="btn btn-primary o_composer_button_send d-none d-md-inline-block" type="button"><t t-esc="widget.options.sendText"/></button>
         </div>
         <span class="d-none">
            <t t-call="HiddenInputFile">
                <t t-set="fileupload_id" t-value="widget.fileuploadID"/>
                <t t-set="fileupload_action" t-translation="off">/web/binary/upload_attachment</t>
                <t t-set="multi_upload" t-value="true"/>
                <input type="hidden" name="model" value="mail.compose.message"/>
                <input type="hidden" name="id" value="0"/>
                <input type="hidden" name="session_id" t-att-value="widget.getSession().session_id"/>
            </t>
         </span>
    </div>

<t t-name="mail.MentionSuggestions">
        <div class="dropdown-menu" role="menu">
            <t t-foreach="suggestions" t-as="suggestion">
                <div role="separator" t-if="suggestion.divider" class="dropdown-divider"/>
                <a t-else="" href="#" class="dropdown-item o_mention_proposition" t-att-data-id="suggestion.id" role="menuitem"/>
            </t>
        </div>
    </t>
    <t t-name="mail.MentionSuggestions.Partner" t-extend="mail.MentionSuggestions">
        <t t-jquery=".o_mention_proposition" t-operation="append">
            <span class="o_mention_name"><t t-esc="suggestion.name"/></span>
            <t t-if="suggestion.email">
                <span class="o_mention_info">(<t t-esc="suggestion.email"/>)</span>
            </t>
        </t>
    </t>
    <t t-name="mail.MentionSuggestions.Channel" t-extend="mail.MentionSuggestions">
        <t t-jquery=".o_mention_proposition" t-operation="append">
            <span class="o_mention_name"><t t-esc="suggestion.name"/></span>
        </t>
    </t>
    <t t-name="mail.MentionSuggestions.CannedResponse" t-extend="mail.MentionSuggestions">
        <t t-jquery=".o_mention_proposition" t-operation="append">
            <span class="o_mention_name"><t t-esc="suggestion.source"/></span>
            <span class="o_mention_info"><t t-esc="suggestion.substitution"/></span>
        </t>
    </t>
    <t t-name="mail.MentionSuggestions.Command" t-extend="mail.MentionSuggestions">
        <t t-jquery=".o_mention_proposition" t-operation="append">
            <span class="o_mention_name">/<t t-esc="suggestion.name"/></span>
            <span class="o_mention_info"><t t-esc="suggestion.help"/></span>
        </t>
    </t>