def get_azure_secret_value(self, vault_name, key_name, version=None, **kwargs):
        '''
        @dev get secret from azure key vault
        @param vault_name name of key vault
        @param key_name the name of secret
        @param key_value the value of secret
        @return value of secret(KeyVaultSecret)
        '''
        secret = None
        update_mempool = True
        key = self.create_memory_key_with_args(vault_name, key_name, version, "value")
        if self.use_mempool:
            secret = self.get_memory_key_value(key)
            if not secret:
                secret = azure_get_secret(vault_name, key_name, version, **kwargs).value
            else:
                update_mempool = False
        else:
            secret = azure_get_secret(vault_name, key_name, version, **kwargs).value

        if update_mempool:
            self.set_memory_key_value(key, secret)
        return secret