What is 'reference point' in SAP CA-ATP - Available-to-Promise (ATP)?

reference point - Overview

• Component: CA-ATP

• Component Name: Available-to-Promise (ATP)

• Description: It's a fixed point for a particular date type in your scheduling process. If you use a reference point, this value remains the same in your scheduling result even if other dates were possible. A reference point includes a reference date type, date and optionally, time.

reference point - Details

• 
  Key Concepts: 
  Reference point is a term used in the SAP Available-to-Promise (ATP) component. It is a point in time at which the system checks the availability of materials and components for a sales order. The reference point is determined by the system and can be changed manually. 
  
  How to use it: 
  The reference point is used to determine the availability of materials and components for a sales order. The system will check the availability of materials and components at the reference point and then display the results in the ATP check window. The reference point can be changed manually by entering a new date or time in the ATP check window. 
  
  Tips & Tricks: 
  It is important to remember that the reference point is only used to determine the availability of materials and components for a sales order. It does not affect any other aspects of the sales order, such as pricing or delivery dates. 
  
  Related Information: 
  For more information on SAP Available-to-Promise (ATP) component, please refer to SAP Help Portal: https://help.sap.com/viewer/product/CA-ATP/latest/en-US