public void dataTypeSettingsChanged(DataType dt) {
		if (dt instanceof TypedefDB) {
			TypedefDB td = (TypedefDB) dt;
			td.updateAutoName(true);
			if (creatingDataType == 0) {
				td.setLastChangeTime(System.currentTimeMillis());
				setDirtyFlag(dt);
			}
		}
		defaultListener.dataTypeChanged(this, dt.getDataTypePath());
	}
Notification when data type settings have changed.
@param dt data type that is changed
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java