def METHOD_NAME(self, eitem):
    """ Get project mapping enrichment field.
    Twitter mappings is pretty special so it needs a special
    implementacion.
    """
    project = None
    eitem_project = {}
    ds_name = self.get_connector_name()  # data source name in projects map
    if ds_name not in self.prjs_map:
        return eitem_project
    for tag in eitem['hashtags_analyzed']:
        # lcanas: hashtag provided in projects.json file should not be case sensitive T6876
        tags2project = CaseInsensitiveDict(self.prjs_map[ds_name])
        if tag in tags2project:
            project = tags2project[tag]
            break
    if project is None:
        project = DEFAULT_PROJECT
    eitem_project = {"project": project}
    eitem_project.update(self.add_project_levels(project))
    return eitem_project