Returns resource doc as at the target, when the posting was already created \
           at the target. This property normally contains the **target_doc** data from \
           the livebrigde storage item, saved in a syndication earlier.

        :returns: dict

def target_doc(self):
        """Returns resource doc as at the target, when the posting was already created \
           at the target. This property normally contains the **target_doc** data from \
           the livebrigde storage item, saved in a syndication earlier.

        :returns: dict"""
        if not hasattr(self, "_target_doc") or not self._target_doc:
            if self._existing:
                self._target_doc = self._existing.get("target_doc", {})
        return self._target_doc