User Assigned New Privileged Role

Original query, unchanged.

AuditLogs
| where Category =~ "RoleManagement"
| where AADOperationType in ("Assign", "AssignEligibleRole", "CreateRequestGrantedRole", "CreateRequestPermanentEligibleRole", "CreateRequestPermanentGrantedRole")
| where ActivityDisplayName has_any ("Add eligible member to role", "Add member to role")
| mv-apply TargetResourceSubject = TargetResources on 
  (
      where TargetResourceSubject.type in~ ("User", "ServicePrincipal")
      | extend Target = iff(TargetResourceSubject.type =~ "ServicePrincipal", tostring(TargetResourceSubject.displayName), tostring(TargetResourceSubject.userPrincipalName)),
               subjectProps = TargetResourceSubject.modifiedProperties
  )
| mv-apply TargetResourceRole = TargetResources on 
  (
    // mimic modifiedProperties so we can use the same logic to get the role name regardless of where it comes from
    where TargetResourceRole.type in~ ("Role")
    | extend roleProps = pack_array(bag_pack("displayName","Role.DisplayName", "newValue", TargetResourceRole.displayName))
  )
| mv-apply Property = iff(array_length(subjectProps) > 0, subjectProps, roleProps) on 
  ( 
    where Property.displayName =~ "Role.DisplayName"
      | extend RoleName = trim('"',tostring(Property.newValue))
  )
| where RoleName contains "Admin"
| extend InitiatingAppName = tostring(InitiatedBy.app.displayName)
| extend InitiatingAppServicePrincipalId = tostring(InitiatedBy.app.servicePrincipalId)
| extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
| extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
| extend InitiatingIpAddress = tostring(iff(isnotempty(InitiatedBy.user.ipAddress), InitiatedBy.user.ipAddress, InitiatedBy.app.ipAddress))
| extend Initiator = iif(isnotempty(InitiatingAppName), InitiatingAppName, InitiatingUserPrincipalName)
// Comment below to alert for PIM activations
| where Initiator != "MS-PIM" and Initiator != "MS-PIM-Fairfax"
| summarize by bin(TimeGenerated, 1h), OperationName, RoleName, Target, Initiator, InitiatingUserPrincipalName, InitiatingAadUserId, InitiatingAppName, InitiatingAppServicePrincipalId, InitiatingIpAddress, Result
| extend TargetName = tostring(split(Target,'@',0)[0]), TargetUPNSuffix = tostring(split(Target,'@',1)[0]), InitiatorName = tostring(split(InitiatingUserPrincipalName,'@',0)[0]), InitiatorUPNSuffix = tostring(split(InitiatingUserPrincipalName,'@',1)[0])