You can check the logs for the same. Azure logs are categorized as follows:
Control/management logs provide information about Azure Resource Manager CREATE, UPDATE, and DELETE operations.
Data plane logs provide information about events raised as part of Azure resource usage.
Processed events provide information about analyzed events/alerts that have been processed on your behalf.
For more info refer to https://docs.microsoft.com/en-us/azure/security/fundamentals/log-audit