# crane index append > Append manifest to a remote index. > This sub-command pushes an index based on an (optional) base index, with appended manifests. > The platform for appended manifests is inferred from the config file or omitted if that is infeasible. > More information: . - Append manifest to a remote index: `crane index append` - Reference to manifests to append to the base index: `crane index append {{-m|--manifest}} {{manifest_name1 manifest_name2 ...}}` - Tag to apply to resulting image: `crane index append {{-t|--tag}} {{tag_name}}` - Empty base index will have Docker media types instead of OCI: `crane index append --docker-empty-base` - Append each of its children rather than the index itself (defaults true): `crane index append --flatten` - Display help: `crane index append {{-h|--help}}`