      {% if loop.first %}
                <option value="" {{ "selected" if not boneValue }} {{ "disabled" if boneParams.required }} hidden>
                    -
                </option>
            {% endif %}
            <option value="{{ entry["key"] }}"
                    {%- if boneParams.multiple -%}
                        {{ "selected" if entry["key"] in boneValue|map(attribute='dest.key') }}
                    {%- else -%}
                        {{ "selected" if boneValue and boneValue['dest']