Develop > Controller layer > Integrate with back-end systems and external applications > Back-end integration legacy messages > Customer Update message
CUSTOMER_UPDATE_PROLOG_DATA
The Customer Update message includes the CUSTOMER_UPDATE_PROLOG_DATA segment. This data segment identifies the type of message that is being defined; that is, the segment indicates that the message is a Customer Update message with a field value of UC (Update Customer).
The format and the source of the fields for CUSTOMER_UPDATE_PROLOG_DATA are described in the following table:
Field Name Field Type Field Value NC_MsgType CHAR (10) UC NC_MsgVersion CHAR (2) 01 NC_RESERVED CHAR (10) Reserved for IBM use.
Related reference
Back-end integration legacy messages