A staff member needs to be able to add a new client into the system. |''begin admin transaction''| Bill | |''create client''|Fred|''with phone number''|379 5055|''in city''|Auckland|''in zone''|South|''at address''|93 Carbine Rd| |''complete transaction''| |''begin admin transaction''| Bill | |''modify client''|Fred|''set phone number''|912 5055|''in city''|Auckland|''in zone''|South|''at address''|93 Carbine Rd| |''complete transaction''| |''client list''| |''name''|''phone''|''city''|''zone''|''address''| |Fred|912 5055|Auckland|South|93 Carbine Rd|