def _filter_related_links(self, filter: str) -> List[str]:
        """Filter RelatedUrls from the UMM fields on CMR."""
        matched_links: List = []
        if "RelatedUrls" in self["umm"]:
            for link in self["umm"]["RelatedUrls"]:
                if link["Type"] == filter:
                    matched_links.append(link["URL"])
        return matched_links
Filter RelatedUrls from the UMM fields on CMR.
earthaccess/results.py