How to default requisitioning BU when create contract fulfilment

Summary:

We implement requisitioning BU in our client. When we create contract fulfilment. We can see a list of requisitioning BU. But the user would like to default to requisitioning BU that user is working on.

Content (please ensure you mask any confidential information):

NA

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

24A

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

NA