How to generate Hash code (check sum) using HMAC method & SHA256?

PeopleSoft Campus Solution 9.2 (PUM 25) PeopleTools 8.59.15 (MS SQL Server DB)

I have not done something like this before. Just wonder if anyone can share valuable experience in generating a hash code with a given URL and a secret token?

Here is the task:

Calculate the hash of the URL string, which was parsed into UTF-8 format, using the HMAC method and SHA256 algorithm with the token as the secret.

Note: Using C# to generate the hash is more secure when compared to JavaScript.

I checked out PeopleSoft Encryption Technology/framework...but not coming up with fruitful results so far.