PS C:\WINDOWS\system32> $ActivityLogsPath = "\\FTPRoot\PowerBI\ActivityLogs.csv"
>> $RetrieveDate = Get-Date
>> $ActivityLogs = Get-PowerBIActivityEvent -StartDateTime '2020-01-15T00:00:00.000' -EndDateTime '2020-01-15T23:59:59.999' | ConvertFrom-Json
>> $ActivityLogSchema = $ActivityLogs | Select-Object Id,RecordType,CreationTime,Operation,UserId,UserType,UserKey,Workload,ClientIP,UserAgent,Activity,ItemName,WorkspaceName,WorkspaceAccessList,
>> WorkspaceId,DatasetName,DatasetId,ReportName,CapacityId,CapacityName,CapacityState,CapacityUsers,AppName,ObjectId,ReportId,IsSuccess,ReportType,RequestId,
>> ActivityId,AppReportId,OrganizationId,DistributionMethod,ConsumptionMethod,DataConnectivityMode,OrgAppPermission,RefreshType,FolderDisplayName,FolderObjectId,
>> TakingOverOwner,StorageAccountName,GatewayName,GatewayType,GatewayId,DatasourceName,DatasourceId,IsUpdateAppActivity,DashboardId,ArtifactId,ArtifactName,
>> DataflowId,DataflowName,DataflowType,DataflowRefreshScheduleType,DataflowAccessTokenRequestParameters,DataflowAllowNativeQueries,CustomVisualAccessTokenResourceId,
>> CustomVisualAccessTokenSiteUri,ExportEventStartDateTimeParameter,ExportEventEndDateTimeParameter,ImportId,ImportSource,ImportType,ImportDisplayName,TemplatePackageName,
>> TemplateAppVersion,TemplateAppObjectId,TemplateAppFolderObjectId,TemplateAppOwnerTenantObjectId,AuditedArtifactInformation,ExportedArtifactInfo,
>> @{Name="RetrieveDate";Expression={$RetrieveDate}}
>>
>> $ActivityLogSchema | Export-Csv -path $ActivityLogsPath  -append -NoTypeInformation