diff --git a/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/c8y_Command_3 b/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/c8y_Command_3
new file mode 100644
index 0000000000..98729bee81
--- /dev/null
+++ b/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/c8y_Command_3
@@ -0,0 +1,4 @@
+[exec]
+topic = "${.topic.root_prefix}/custom/topic/one"
+on_fragment = "c8y_Command"
+command = "/etc/tedge/operations/command ${.payload.c8y_Command.text}"
diff --git a/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/custom_operation_command.robot b/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/custom_operation_command.robot
index 8c7c37b1a1..ab4c6543c4 100644
--- a/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/custom_operation_command.robot
+++ b/tests/RobotFramework/tests/cumulocity/custom_operation/custom_operation_command/custom_operation_command.robot
@@ -39,6 +39,20 @@ Run shell custom operation for main device and do not publish the status
     ...    minimum=0
     ...    maximum=0
 
+Run shell custom operation for main device with custom topic
+    ThinEdgeIO.Transfer To Device    ${CURDIR}/c8y_Command_3    /etc/tedge/operations/c8y/c8y_Command
+    Restart Service    tedge-mapper-c8y
+    ${prefix}=    Execute Command    tedge config get c8y.bridge.topic_prefix    strip=True
+
+    Execute Command
+    ...    tedge mqtt pub --retain '${prefix}/custom/topic/one' '{"status":"PENDING","id":"1234","c8y_Command":{"text":"echo helloworld"},"externalSource":{"externalId":"${DEVICE_SN}","type":"c8y_Serial"}}'
+
+    Should Have MQTT Messages
+    ...    c8y/s/us
+    ...    message_pattern=^(504|505|506),[0-9]+($|,\\"helloworld\n\\")
+    ...    minimum=2
+    ...    maximum=2
+
 
 *** Keywords ***
 Custom Setup