using customProperties in a Microsoft.Insights/scheduledQueryRules@2023-03-15-preview bicep

Hi

I am trying to use the customProperties in the following bicep. I would like to add the result of the query as a property to the action.

however there is so little documentation and I am not sure I understand the difference between actionProperties and customProperties. is there a way to achieve what I want? and is there any extra documentation about how to fill these fields dynamically?

thanks

Microsoft.Insights/scheduledQueryRules@2023-03-15-preview
resource incidentAlertRule 'Microsoft.Insights/scheduledQueryRules@2023-03-15-preview' = {
  name: 'service-health-alert-${environment}-subscriptions'
  location: location
  tags: tags
  identity: {
    type: 'SystemAssigned'
  }
  properties: {
    description: 'Service Health alerts for incidents'
    severity: 4
    enabled: true
    autoMitigate: false
    scopes: [
      existingLogAnalyticsWorkspace.id
    ]
    evaluationFrequency: 'PT15M'
    windowSize: 'PT15M'
    criteria: {
      allOf: [
        {
          query: 'AzureActivity | where CategoryValue == "ServiceHealth" | extend TrackingId = Properties_d.trackingId, Service = Properties_d.service, Title = Properties_d.defaultLanguageTitle, Content = Properties_d.defaultLanguageContent, Type = Properties_d.incidentType | project TrackingId, TimeGenerated, Service, Type, Level, Title, Content, CorrelationId | where tostring(Type) == "Incident" | summarize take_any(*) by CorrelationId | order by TimeGenerated desc'
          timeAggregation: 'Count'
          operator: 'GreaterThanOrEqual'
          threshold: 1
        }
      ]
    }
    actions: {
      actionGroups: [
        serviceHealthActionGroup.id
      ]
      customProperties: {
        result: '$(Result)'
      }
    }
  }
}