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HashiCorp Infrastructure Automation Certification Guide
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There are many built-in Terraform functions that you can use to transform data into the format you might be looking to consume in the respective configuration code. Often, it may be that the format of the data returned by the data source and resource is not compatible with the data format that you need for passing to other resources. Terraform provides built-in functions in the following categories:
It is not possible to discuss all the Terraform built-in functions here. If you are interested in knowing about all the Terraform functions, you can refer to https://www.terraform.io/docs/configuration/functions.html. It is most important for you to understand how to use functions and how to test the Terraform function using the Terraform console.
If you are already familiar with any programming language...