diff --git a/redfish/update_service/test_firmware_inventory.robot b/redfish/update_service/test_firmware_inventory.robot
index 3a3c0a7..165d9cf 100644
--- a/redfish/update_service/test_firmware_inventory.robot
+++ b/redfish/update_service/test_firmware_inventory.robot
@@ -4,6 +4,7 @@
 Resource         ../../lib/resource.robot
 Resource         ../../lib/bmc_redfish_resource.robot
 Resource         ../../lib/openbmc_ffdc.robot
+Library          ../../lib/gen_robot_valid.py
 
 Test Setup       Test Setup Execution
 Test Teardown    Test Teardown Execution
@@ -104,6 +105,26 @@
     ...  BMC version not there in Firmware Inventory
 
 
+Verify UpdateService Supports TransferProtocol TFTP
+    [Documentation]  Verify update service supported values have TFTP protocol.
+    [Tags]  Verify_UpdateService_Supports_TransferProtocol_TFTP
+
+    # Example:
+    #   "Actions": {
+    #     "#UpdateService.SimpleUpdate": {
+    #       "TransferProtocol@Redfish.AllowableValues": [
+    #         "TFTP"
+    #       ],
+    #       "target": "/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate"
+    #     }
+    #  },
+
+    ${allowable_values}=  Redfish.Get Attribute  /redfish/v1/UpdateService  Actions
+
+    Rvalid Value  allowable_values["#UpdateService.SimpleUpdate"]["TransferProtocol@Redfish.AllowableValues"][0]  valid_values=['TFTP']
+    Rvalid Value  allowable_values["#UpdateService.SimpleUpdate"]["target"]  valid_values=['/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate']
+
+
 *** Keywords ***
 
 Test Setup Execution