How to get name and link of environment (Test/Dev/Pro) that using

What is the environment do you want? you can get community edition environment by following the belove steps. go to learn tab and then my learning journey and click on get my site .

Create a expression rule as rule!getBaseUrl() 

a!localVariables(
  local!url: urlforrecord(recordIds: cons!VOF_CUSTOMER_RECORD),
  /*any record type used in your application*/
  left(local!url, search("/suite", local!url) + 6),
  
)

This will return the URL for the environment on which you are working or executing the rule

A common method is to deploy an environment-specific constant to each environment and have the details (e.g. environment abbreviation, environment link) altered per import using the import customization file on each environment.

This way you have full control over the value and it's use.