b = system_app_name.clear();
The function returns a logical value of 1 (true).
PROC GLOBAL
SystemApp google_maps;
PROC LOCATION
// clear any previously used arguments
google_maps.clear();
// show barber shops near the location
google_maps.setArgument("action", "android.intent.action.VIEW");
google_maps.setArgument("data", maketext("geo:%f,%f?q=barber+shop", LATITUDE, LONGITUDE));
google_maps.exec("com.google.android.apps.maps");