What is 'external ID' in SAP IS-DFS - SAP for Defense & Security?

external ID - Overview

• Component: IS-DFS

• Component Name: SAP for Defense & Security

• Description: Defense Forces and Public Security Identification number assigned outside of the SAP system for a flight.

external ID - Details

• 
  Key Concepts: 
  External ID is a unique identifier used in the IS-DFS SAP for Defense & Security component. It is used to identify and track external entities, such as customers, vendors, and partners. It is also used to link external entities to internal SAP objects, such as documents and transactions. 
  
  How to use it: 
  External IDs are assigned to external entities when they are created in the system. They can be used to search for and identify external entities in the system. They can also be used to link external entities to internal SAP objects, such as documents and transactions. 
  
  Tips & Tricks: 
  When assigning an External ID, make sure it is unique and easy to remember. This will make it easier to search for and identify the external entity in the system. 
  
  Related Information: 
  External IDs are similar to Internal IDs, which are used to identify and track internal SAP objects, such as documents and transactions.