CHAIN

General Format

CHAIN program-name [ USING {parameter} ... ]     [ ON {EXCEPTION} statement ]        {OVERFLOW }     [ END-CHAIN ]

Syntax Rules

1.	program-name is a nonnumeric literal or an alphanumeric data item.

2.	Parameter is any data item including level-88 or a nonnumeric literal. There are no limits on the number of parameters that may be specified.

3.	Statement is an imperative statement to be used if the CHAINed program can not be loaded.

General Rules

1.	program-name is executed in a new logical run unit.

2.	If the USING phrase is specified, each parameter is transferred to program-name and is mapped to the corresponding CHAINING argument in the PROCEDURE DIVISION phrase.

Exmaples

Call a program terminating the current run unit and starting a new one

chain "program1"