/** * Gets the first repetition for <b>identifier</b> (Business identifier), * creating it if it does not already exist. * * <p> * <b>Definition:</b> * Identifier assigned to the alert for external use (outside the FHIR environment) * </p> */ public IdentifierDt getIdentifierFirstRep() { if (getIdentifier().isEmpty()) { return addIdentifier(); } return getIdentifier().get(0); } /**