Impossible to update network application-gateway listener customErrorConfigurations

[danyric]

Describe the bug

Hello
While trying to set a customErrorConfigurations to network application-gateway listener.
First run the command:
az network application-gateway http-listener update -g $gr_ppd --gateway-name $appgw_ppd --name appGatewayHttpListener --set customErrorConfigurations=[]

{
"customErrorConfigurations": [],
................
"type": "Microsoft.Network/applicationGateways/httpListeners"
}

An then try to run still have an error .

Related command

az network application-gateway http-listener update -g $gr_ppd --gateway-name $appgw_ppd --name appGatewayHttpListener --add customErrorConfigurations[0].customErrorPageUrl=https://xxxxxx.windows.net/error-502.html customErrorConfigurations[0].statusCode=HttpStatus502

Errors

Couldn't find 'customErrorPageUrl=https://xxxxx' in 'customErrorConfigurations[0].customErrorPageUrl=https://xxxxx.windows.net/error-502'. Available options: ['custom_error_page_url', 'status_code']

Issue script & Debug output

Couldn't find 'customErrorPageUrl=https://xxxxx' in 'customErrorConfigurations[0].customErrorPageUrl=https://xxxxx.windows.net/error-502'. Available options: ['custom_error_page_url', 'status_code']

Expected behavior

customErrorConfigurations set and visible when issuing az cli show command and when using the az portal

Environment Summary

azure-cli 2.62.0

core 2.62.0
telemetry 1.1.0

Extensions:
bastion 1.0.1

Dependencies:
msal 1.28.1
azure-mgmt-resource 23.1.1

Python location 'C:\Program Files\Microsoft SDKs\Azure\CLI2\python.exe'
Extensions directory 'C:\Users\edanede.azure\cliextensions'

Python (Windows) 3.11.8 (tags/v3.11.8:db85d51, Feb 6 2024, 22:03:32) [MSC v.1937 64 bit (AMD64)]

Legal docs and information: aka.ms/AzureCliLegal

Your CLI is up-to-date.

Additional context

No response

[yonzhan]

network

[ReaNAiveD]

@danyric Based on the error message, could you please try changing customErrorConfigurations[0].customErrorPageUrl to customErrorConfigurations[0].custom_error_page_url and changing customErrorConfigurations[0].statusCode to customErrorConfigurations[0].status_code?