An item button redirect users to a specified item. It is defined using the <OpenItem> tag. This article provides a configuration example of item links on a custom ribbon tab.
Prerequisites
The below example includes shortcuts on a custom tab ("ASPICE") to 4 specific items.
Example Configuration
<ItemRibbonTabConfig>
    <Contexts>
        <Context caption="Process" color="blue"/>
    </Contexts>
    <ItemTabs>
        <ItemTab caption="ASPICE" context="Process">
            <RibbonGroups>
            <RibbonGroup caption="Process Fulfillment Areas">
        <OpenItem id="x0400000000005164"/>
        <OpenItem id="x040000000000B9C7"/>
        <OpenItem id="x040000000000557A"/>
        <OpenItem id="x0400000000005580"/>
      </RibbonGroup>
            </RibbonGroups>
        </ItemTab>
    </ItemTabs>
</ItemRibbonTabConfig>Example Result

When users click on an item button, the item will load.

