Classic for me - as soon as I ask a question I discover the answer from re-reading everything again piece by piece
To help I’ll summarise below
To monitor an Endpoint…
Subscription: yourAzureSubscriptionID
Namespace: microsoft.machinelearningservices/workspaces/onlineendpoints
Region: yourAzureResourceRegion
Resource Group :yourAzureResourceGroup
Resource Name: yourAMLWorkspaceName/yourEndpointName
To monitor a Deployment (connected to a endpoint)…
Subscription: yourAzureSubscriptionID
Namespace: microsoft.machinelearningservices/workspaces/onlineendpoints/deployments
Region: yourAzureResourceRegion
Resource Group : yourAzureResourceGroup
Resource Name: yourAMLWorkspaceName/yourEndpointName/yourDeploymentName