MATCH (masterNode:LabelParticipant {uuid: "b300244c-c2f0-497b-9fbd-29c1eaf8bb7c"}) MATCH (childNode:LabelParticipant {uuid: "e149d65b-fefd-40a4-a8b5-76101c54671e"}) WITH masterNode, childNode CALL apoc.refactor.mergeNodes([masterNode, childNode], { properties: "discard", mergeRels: true } ) YIELD node RETURN 0