There is the PmaFolder object ("Boiler1") in the development environment and there is the PmaData object with data item "Temperature1" in this object. The value of this item is to be displayed in the panel by the PmgString object. In the configuration of this object click the data binding button in the "Value" configurator. Select: Data binding PP - Data binding to Pma object property, browse the PmaData object, item of the PmVar type ("Temperature1") and enter the desired property (in this case Value) in the "Property" configurator.