MATCH (masterNode:LabelParticipant {uuid: "b76d8931-ec87-4cc9-9233-7aa6e7c241a7"}) MATCH (childNode:LabelParticipant {uuid: "9bb7ca92-de6c-46bb-8b84-549c697ad67f"}) WITH masterNode, childNode CALL apoc.refactor.mergeNodes([masterNode, childNode], { properties: "discard", mergeRels: true } ) YIELD node RETURN 0