Hi @Prateek-Garg You could try the following: { "@type": "xdm:descriptorDeprecated","xdm:sourceSchema": "{{SCHEMA_ID}}","xdm:sourceVersion": 1.1,"xdm:sourceProperty": "/modelScores[*]/runId" } I read some docs stating this:--When dealing with arrays in AEP schemas, the path notation often requires t...