diff --git a/lib/bmc_network_utils.robot b/lib/bmc_network_utils.robot
index 334386e..698809c 100644
--- a/lib/bmc_network_utils.robot
+++ b/lib/bmc_network_utils.robot
@@ -816,7 +816,11 @@
 
 Get IPv4 DHCP Enabled Status
     [Documentation]  Return IPv4 DHCP enabled status from redfish URI.
+    [Arguments]  ${channel_number}=${1}
 
+    # Description of argument(s):
+    # channel_number   Ethernet channel number, 1 is for eth0 and 2 is for eth1 (e.g. "1").
+ 
     ${active_channel_config}=  Get Active Channel Config
     ${ethernet_interface}=  Set Variable  ${active_channel_config['${CHANNEL_NUMBER}']['name']}
     ${resp}=  Redfish.Get Attribute  ${REDFISH_NW_ETH_IFACE}${ethernet_interface}  DHCPv4