netbox-community-netbox/netbox/templates/extras/configcontext_list.html

{% extends 'generic/object_list.html' %}

{% block bulk_buttons %}
  {% if perms.extras.sync_configcontext %}
    <button type="submit" name="_sync" formaction="{% url 'extras:configcontext_bulk_sync' %}" class="btn btn-primary btn-sm">
      <i class="mdi mdi-sync" aria-hidden="true"></i> Sync Data
    </button>
  {% endif %}
  {{ block.super }}
{% endblock %}