def __init__(self, jsondict=None):
        
        self.date = None
        """ When reaction started.
        Type `FHIRDate` (represented as `str` in JSON). """
        
        self.detail = None
        """ Additional information on reaction.
        Type `FHIRReference` referencing `Observation` (represented as `dict` in JSON). """
        
        self.reported = None
        """ Indicates self-reported reaction.
        Type `bool`. """
        
        super(ImmunizationReaction, self).__init__(jsondict)
Initialize all valid properties.
dataset/ETHPy150Open smart-on-fhir/client-py/fhirclient/models/immunization.py/ImmunizationReaction.__init__