You can check the logs for the same. Azure logs are categorized as follows:
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Control/management logs provide information about Azure Resource Manager CREATE, UPDATE, and DELETE operations.
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Data plane logs provide information about events raised as part of Azure resource usage.
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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