Order Management Extension - Accessing Carrier record via Groovy script

Summary:

We are building an Order Management Extension groovy script customization where we need to set specific FOB on order lines. This FOB value should be fetched from Descriptive Flexfield stored on the Carrier record, more specifically on Shipping Method line. How can we access this information from the Order Management Extension Groovy Script?

This is the sample record we want to access from order management extension groovy script.

Content (required):

See summary section (groovy script).

Version (include the version you are using, if applicable):

N/A

Code Snippet (add any code snippets that support your topic, if applicable):

Sample groovy script: