Return a reference providing non-modifiable access to the DatetimeTz value of this object. The behavior is undefined unless type() == ball::UserFieldType::e_DATETIMETZ.
DatetimeTz
type() == ball::UserFieldType::e_DATETIMETZ
Declared in <ball_userfieldvalue.h>
<ball_userfieldvalue.h>
bdlt::DatetimeTz const& theDatetimeTz() const;