I wanted to asks if it is possible to add new button below the help (?) button in mainHeader? This one (MainHeaderSchemaInnerRightButtonsContainerContainer) is located in the rightPanel above the communication panel.
You will need to extend MainHeaderSchema module and add your custom container and button inside the container there. Please study the base implementation of the MainHeaderSchema to see how the "System designer" button is added for example:
You will need to extend MainHeaderSchema module and add your custom container and button inside the container there. Please study the base implementation of the MainHeaderSchema to see how the "System designer" button is added for example: