Add messages to the sequence diagram:
–In the sequence diagram hover over the LocalForecaster lifeline to grab the handle and drop it on the WeatherTrackingUI lifeline.
–Select Create Message (Figure 6-55).
Figure 6-55 Create a message in the sequence diagram (1)
– Name the operation provide local weather data (Figure 6-56).
Figure 6-56 Create a message in the sequence diagram (2)
–Hover over the WeatherTrackingUI lifeline inside of the area spanned by the message just added.
–Drag the handle from the WeatherTrackingUI lifeline to the WeatherTrackingController lifeline to create a message.
–Name the operation provide local weather data (Figure
