I'm trying to build up a panel with a custom Expand/Collapse Icon. The panel is used to add New "instruments" so I'd like to have as icon the sap-icon add.
I've been looking arround for a solution but I only found how to do so using sap.ui.commons.panel as it has a method called addButton...
Thanks in advance,
PD: Here you have an image to clarify what I'm talking about.