<List headerText="Events" items="{path: 'events>/'}">
                    <items>
                        <CustomListItem>
                            <HBox>
                                <VBox>
                                    <Label text="{events>message}" design="Bold"/>
                                    <Text text="{events>eventDate}"></Text>
                                    <Text text="{events>eventTime}"></Text>
                                    <List id="MasterAttributeList" items="{path: 'events>/attributes', templateShareable:false}">
                                        <items>
                                            <CustomListItem>
                                                <HBox>
are not shown       --->                            <Label text="{path: 'events>keydescription'} :"/>
                                                    <Text text="{path: 'events>value'}"/>
                                                </HBox>
                                            </CustomListItem>
                                        </items>
                                    </List>
                                </VBox>
                            </HBox>
                        </CustomListItem>
                    </items>
                </List>

Array(2) [{
0: {
   attributes: (5) [{…}, {…}, {…}, {…}, {…}]
   creationDate: "..."
   deleted: false
   eventDate: "..."
   eventTime: "..."
   masterAttributes: (2) [{…}, {…}]
   message: "..."
   },
1: {...},
2: {...}]