@property
    def showname_value(self):
        if self.showname and ': ' in self.showname:
            return self.showname.split(': ')[1]
For fields which do not contain a normal value, we attempt to take their value from the showname.
dataset/ETHPy150Open KimiNewt/pyshark/src/pyshark/packet/layer.py/LayerField.showname_value