diff --git a/fhem/FHEM/74_Unifi.pm b/fhem/FHEM/74_Unifi.pm
index 64b13a7c4..765fc6b29 100644
--- a/fhem/FHEM/74_Unifi.pm
+++ b/fhem/FHEM/74_Unifi.pm
@@ -271,6 +271,7 @@ sub Unifi_Notify($$) {
 		}
 		for my $clientID (keys %{$hash->{clients}}) {
 			my $clientName=$hash->{clients}->{$clientID}->{name}."_";
+			# TODO: Prüfen, ob es für $clientName ein UnifiClient-Devices gibt und die Werte aus den Readings des UnifiClients wiederherstellen.
 			for my $readingName (keys %{$hash->{READINGS}}) {
 				#Log3 $name, 1, "$name ($self) - checking 2 $readingName for $clientName";
 				if($readingName =~ m/^$clientName.*/){
@@ -791,6 +792,8 @@ sub Unifi_Write($@){
 		Unifi_UnblockClient_Send($hash, $id); # id=mac
 	}elsif($type eq "Unifi_UserRestJson_Send"){
 		Unifi_UserRestJson_Send($hash, $id, $data); # id=_id
+	}elsif($type eq "Unifi_UpdateClient_Send"){
+		Unifi_UpdateClient_Send($hash, $id); # id=mac
 	}
   
 	return undef;
@@ -1073,7 +1076,7 @@ sub Unifi_UpdateClient_Receive($) {
 						}
 					}
                     readingsBeginUpdate($hash);
-                    Unifi_setClientReadings($hash);					
+                    Unifi_SetClientReadings($hash);					
                     readingsEndUpdate($hash,1);
                 }
             }
@@ -1878,7 +1881,7 @@ sub Unifi_WlanconfRest_Send($$@) {
 sub Unifi_WlanconfRest_Receive($) {     
     my ($param, $err, $data) = @_;
     my ($name,$self,$hash) = ($param->{hash}->{NAME},Unifi_Whoami(),$param->{hash});
-    Log3 $name, 3, "$name ($self) - executed.";
+    Log3 $name, 5, "$name ($self) - executed.";
     
     if ($err ne "") {
         Unifi_ReceiveFailure($hash,{rc => 'Error while requesting', msg => $param->{url}." - $err"});
@@ -1949,7 +1952,7 @@ sub Unifi_GetVoucherList_Receive($) {
                         my $setCmd=$hash->{hotspot}->{voucherCache}->{$cache}->{setCmd};
                         my @words=split("[ \t][ \t]*", $setCmd);
                         my %params=("expire"=>$words[0],"n"=>$words[1],"quota"=>$words[2],"note"=>$words[3]);
-                        Log3 $name, 3, "$name ($self) - expand VoucherCache ($cache).";
+                        Log3 $name, 4, "$name ($self) - expand VoucherCache ($cache).";
                         Unifi_CreateVoucher_Send($hash, %params);
                         $expand=1;
                     }
@@ -1985,7 +1988,7 @@ sub Unifi_CreateVoucher_Send($%) {
 sub Unifi_CreateVoucher_Receive($) {
     my ($param, $err, $data) = @_;
     my ($name,$self,$hash) = ($param->{hash}->{NAME},Unifi_Whoami(),$param->{hash});
-    Log3 $name, 3, "$name ($self) - executed.";
+    Log3 $name, 5, "$name ($self) - executed.";
     
     if ($err ne "") {
         Unifi_ReceiveFailure($hash,{rc => 'Error while requesting', msg => $param->{url}." - $err"});
diff --git a/fhem/FHEM/74_UnifiClient.pm b/fhem/FHEM/74_UnifiClient.pm
index 417b7d379..d1ff539d3 100755
--- a/fhem/FHEM/74_UnifiClient.pm
+++ b/fhem/FHEM/74_UnifiClient.pm
@@ -166,12 +166,13 @@ sub UnifiClient_Set($@){
 		}
 	}
 	$usergroups =~ s/.$//;
-	if($setName !~ /clear|blockClient|unblockClient|usergroup/) {
+	if($setName !~ /clear|blockClient|unblockClient|usergroup|update/) {
 		return "Unknown argument $setName, choose one of "
 			."clear:readings,usedOnlineTime "
 			.(($hash->{unifiClient}->{blocked} eq JSON::false) ? "blockClient:noArg " : "")
 			.(($hash->{unifiClient}->{blocked} eq JSON::true) ? "unblockClient:noArg " : "")
-			.(($usergroups ne "") ? "usergroup:$usergroups" : "");
+			.(($usergroups ne "") ? "usergroup:$usergroups" : "")
+			.((defined $hash->{unifiClient}->{mac}) ? " update:noArg" :"");
 	} elsif ($setName eq 'clear') {
 		if ($setVal eq 'readings') {
 			for (keys %{$hash->{READINGS}}) {
@@ -201,6 +202,8 @@ sub UnifiClient_Set($@){
 			$clientnameUC = $hash->{unifiClient}->{hostname};
 		}
 		IOWrite($hash, "Unifi_UserRestJson_Send", $hash->{unifiClient}->{_id},"{\"usergroup_id\":\"".$usergroupID."\",\"name\":\"".$clientnameUC."\"}");
+	} elsif ($setName eq 'update') {
+		IOWrite($hash, "Unifi_UpdateClient_Send", $hash->{unifiClient}->{mac});
 	}
 	return undef;
 }
@@ -317,7 +320,7 @@ sub UnifiClient_Parse($$) {
 	else{
 		# Keine Gerätedefinition verfügbar
 		# Daher Vorschlag define-Befehl: <NAME> <MODULNAME> <ADDRESSE>
-        Log3 $name, 3, "$name ($self) - return: UNDEFINED UnifiClient_".$address." UnifiClient $address";
+        Log3 $name, 4, "$name ($self) - return: UNDEFINED UnifiClient_".$address." UnifiClient $address";
 		#return "UNDEFINED ".$address." UnifiClient $address";
         # lieber kein autocreate ;-)
 		return undef;
@@ -401,12 +404,25 @@ You can use the readings or set features to control your clients.
 <ul>
     <li><code>set &lt;name&gt; clear &lt;readings|usedOnlineTime&gt;</code><br>
     Clears the readings or set the usedOnlimeTime=0. </li>
+	<br>
+    <li><code>set &lt;name&gt; blockClient &lt;</code><br>
+    Blocks the client. </li>
+	<br>
+    <li><code>set &lt;name&gt; unblockClient &lt;</code><br>
+    Unblocks the client. </li>
+	<br>
+    <li><code>set &lt;name&gt; usergroup &lt;</code><br>
+    Set the usergroup for the client. </li>
+	<br>
+    <li><code>set &lt;name&gt; update &lt;</code><br>
+    Updates the client data. </li>
+	<br>
 </ul>
 
 <h4>Get</h4>
 <ul>
-    <li><code>get &lt;name&gt; todo</code><br>
-    todo.</li>
+    <li><code>get &lt;usergroups&gt; todo</code><br>
+    Show information about the configuered usergroups in UnifiController.</li>
     <br>
 
 </ul>
diff --git a/fhem/FHEM/74_UnifiSwitch.pm b/fhem/FHEM/74_UnifiSwitch.pm
index 8535070db..4ecbee993 100755
--- a/fhem/FHEM/74_UnifiSwitch.pm
+++ b/fhem/FHEM/74_UnifiSwitch.pm
@@ -280,7 +280,7 @@ sub UnifiSwitch_Parse($$) {
 	else{
 		# Keine Gerätedefinition verfügbar
 		# Daher Vorschlag define-Befehl: <NAME> <MODULNAME> <ADDRESSE>
-        Log3 $name, 3, "$name ($self) - return: UNDEFINED UnifiSwitch_".$address." UnifiSwitch $address";
+        Log3 $name, 4, "$name ($self) - return: UNDEFINED UnifiSwitch_".$address." UnifiSwitch $address";
 		return "UNDEFINED ".$address." UnifiSwitch $address";
 	}
 }