Options data container for ComboBox

Hi
How can I use nested collection in comboBox like we have in legacy platform (CUBA) called OptionsContainer?
image

 <form id="form" dataContainer="operatingLocCompanyDc">
            <column width="350px">
                <comboBox id="companyField" property="company"  >
                </comboBox>
                <checkBox id="activeField" property="active"/>
            </column>
        </form>

Perhaps you should use EntityComboBox.