HTML View Aggregation of buttons

Hello ,

Can someone held me with a aggreation in a html view ?

At moment the documentation of the html views are not so strange ...

I need a aggreation of Buttons in a sap.m.Bar but at the moment I doesn't se any buttons from my aggregtion.

<div data-sap-ui-aggregation="footer">

                              <div data-sap-ui-type="sap.m.Bar" data-translucent="true" data-contentRight="{lr_des>/d/results}" >

                                        <div data-sap-ui-aggregation="contentRight">

                                                  <div data-sap-ui-type="sap.m.Button" data-text="{lr_des>dec_text}" >

                                                  </div>

                                        </div>

                              </div>

                    </div>

odata :

<m:properties>

<d:SAP__Origin></d:SAP__Origin>

<d:workitem_id>000017433856</d:workitem_id>

<d:dec_key>0002</d:dec_key>

<d:dec_text></d:dec_text>

<d:mime_type/>

</m:properties>