Conditional Access - A Conditional Access policy was deleted

Original query, unchanged.

// A Conditional Access policy was deleted.
AuditLogs
| where OperationName in ("Delete conditional access policy")
| extend modifiedBy = tostring(InitiatedBy.user.userPrincipalName)
| extend accountName = tostring(split(modifiedBy, "@")[0])
| extend upnSuffix = tostring(split(modifiedBy, "@")[1])
| project
    TimeGenerated,
    OperationName,
    policy = TargetResources[0].displayName,
    modifiedBy,
    accountName,
    upnSuffix,
    result = Result,
    oldPolicy = TargetResources[0].modifiedProperties[0].oldValue
| order by TimeGenerated desc