Azure DevOps Administrator Group Monitoring

Original query, unchanged.

// Change to true to monitor for Project Administrator adds to *any* project
let MonitorAllProjects = false;
// If MonitorAllProjects is false, trigger only on Project Administrator add for the following projects
let ProjectsToMonitor = dynamic(['<project_X>','<project_Y>']);
ADOAuditLogs
| where Area == "Group" and OperationName == "Group.UpdateGroupMembership.Add"
| where Details has 'Administrators'
| where Details has "was added as a member of group" and (Details endswith '\\Project Administrators' or Details endswith '\\Project Collection Administrators')
| parse Details with AddedIdentity ' was added as a member of group [' EntityName ']\\' GroupName
| extend Level = iif(GroupName == 'Project Collection Administrators', 'Organization', 'Project'), AddedIdentityId = Data.MemberId
| extend Severity = iif(Level == 'Organization', 'High', 'Medium'), AlertDetails = strcat('At ', TimeGenerated, ' UTC ', ActorUPN, '/', ActorDisplayName, ' added ', AddedIdentity, ' to the ', EntityName, ' ', Level)
| where MonitorAllProjects == true or EntityName in (ProjectsToMonitor) or Level == 'Organization'
| project TimeGenerated, Severity, Adder = ActorUPN, AddedIdentity, AddedIdentityId, AlertDetails, Level, EntityName, GroupName, ActorAuthType = AuthenticationMechanism,
  ActorIpAddress = IpAddress, ActorUserAgent = UserAgent, RawDetails = Details
| extend timestamp = TimeGenerated
| extend AccountName = tostring(split(Adder, "@")[0]), AccountUPNSuffix = tostring(split(Adder, "@")[1])