What is 'external data type' in SAP BC-ABA - ABAP Runtime Environment?

external data type - Overview

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: Predefined data type from ABAP Dictionary.

external data type - Details

• 
  Key Concepts: 
  External data types are used in SAP to define the structure of data that is exchanged between different systems. They are used to define the structure of data that is sent from one system to another, and also to define the structure of data that is received from another system. 
  
  How to use it: 
  External data types are used in SAP to define the structure of data that is exchanged between different systems. They are used to define the structure of data that is sent from one system to another, and also to define the structure of data that is received from another system. In order to use external data types, you must first create a definition for the type of data you want to exchange. This definition can be created using the ABAP Runtime Environment (BC-ABA) component in SAP. 
  
  Tips & Tricks: 
  When creating an external data type definition, it is important to ensure that all fields are properly defined and that all necessary information is included. Additionally, it is important to ensure that the definition is compatible with the other system that will be exchanging data with your SAP system. 
  
  Related Information: 
  For more information on external data types and how they can be used in SAP, please refer to the official SAP documentation on BC-ABA ABAP Runtime Environment. Additionally, there