MATCH (masterNode:LabelParticipant {uuid: "14d7bb96-6346-404a-9902-b2821a9cb363"}) MATCH (childNode:LabelParticipant {uuid: "c7d2dfa7-407d-44f4-a7bb-1631260fdac6"}) WITH masterNode, childNode CALL apoc.refactor.mergeNodes([masterNode, childNode], { properties: "discard", mergeRels: true } ) YIELD node RETURN 0