Learn PowerShell Core 6.0

Functions in templates

Since we cannot use PowerShell for everything, it is also possible to execute a certain set of functions inside ARM templates. These can be very useful; for example, they can be used to generate a unique string for certain resources, to concatenate variables and parameters, and much more.

For more information on all of the functions you can use, see https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-template-functions.

The function uniqueString will deterministically generate seemingly unique strings, depending on the seed that you are using. This function should by no means be seen as a cryptographic hash function. For our intents and purposes, this function generates random strings that can ...