Group membership vectors (collections, groups, parentGroups, assets) are not always populated by DAS indexers. Prefer fetchGroupV1 from @metaplex-foundation/mpl-core when you need authoritative on-chain membership.
collections
groups
parentGroups
assets
fetchGroupV1
@metaplex-foundation/mpl-core
Group membership vectors (
collections,groups,parentGroups,assets) are not always populated by DAS indexers. PreferfetchGroupV1from@metaplex-foundation/mpl-corewhen you need authoritative on-chain membership.