def by_org_contact_id(self,org_contact_id: str) -> OrgContactItemRequestBuilder:
        """
        Provides operations to manage the collection of orgContact entities.
        param org_contact_id: The unique identifier of orgContact
        Returns: OrgContactItemRequestBuilder
        """
        if org_contact_id is None:
            raise TypeError("org_contact_id cannot be null.")
        from .item.org_contact_item_request_builder import OrgContactItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["orgContact%2Did"] = org_contact_id
        return OrgContactItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the collection of orgContact entities.
        param org_contact_id: The unique identifier of orgContact
        Returns: OrgContactItemRequestBuilder
        
msgraph/generated/contacts/contacts_request_builder.py