OPC UA is a data exchange standard for Industry 4.0 systems with growing popularity. Since OPC UA servers can provide complex data models, there are modeling tools available to simplify development of such.
Depending on your knowledge about OPC UA, you would at first get an introduction into the technology. Your task is then to research about available OPC UA modeling tools and select one according to given requirements. You would then create a given model and deploy it to a local OPC UA server.
You should be interested in industrial automation in general. Knowledge and experience about/with OPC UA would be beneficial.