Subroutine Process Concepts
Subroutine processes define reusable procedural programs that execute from other APPX processes. The subroutine process is essentially a means of grouping a number of statements that can execute as a unit.
You can execute a subroutine:
As a child of another APPX process.
From an event point in another process with a COPY, SUBR or GOSUB statement.
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