$MSSQLServerManager = New-Object 'Microsoft.SqlServer.Management.SMO.Server'
 
# Get SQL Availability Groups
$HostSQLAvailabilityGroup = @($MSSQLServerManager.AvailabilityGroups)[0]
 
# Get SQL Availability Groups Properties
$HostSQLAvailabilityGroupName = $HostSQLAvailabilityGroup.Name;
$HostSQLAvailabilityGroupID = $HostSQLAvailabilityGroup.Id;
$HostSQLAvailabilityGroupGuid = $HostSQLAvailabilityGroup.UniqueId;
$HostSQLLocalReplicaRole = $HostSQLAvailabilityGroup.LocalReplicaRole;
$HostSQLAutomatedBackupPreference = $HostSQLAvailabilityGroup.AutomatedBackupPreference;
$HostSQLFailureConditionLevel = $HostSQLAvailabilityGroup.FailureConditionLevel;
$HostSQLPrimaryReplicaServerName = $HostSQLAvailabilityGroup.PrimaryReplicaServerName;
$HostSQLHealthCheckTimeout = $HostSQLAvailabilityGroup.HealthCheckTimeout;