your question is unfortunately very unspecific and seems to concern an app-building related issue. Please create a support ticket in our portal and state the name of the customer and the use case / application you need this question answered for so our Customer Success team can provide you further help, e.g. by holding an Enabling call with you. Here’s a quick reference to a sample application showcasing the TabContainer widget if that should already help you out enough: https://sapui5.hana.ondemand.com/#/entity/sap.m.TabContainer/sample/sap.m.sample.TabContainer
