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Overview

An iProcess command is a way of associating a particular operation with either a form or a field. Each command can be any iProcess expression, but usually it will be one of the following:

•	A function call to run an external program, such as SERVEREXEC (run a server program), or WINRUN (run a program on a graphical client). See TIBCO iProcess Expressions and Functions Reference Guide for more information.

•	A call to an iProcess script, which is a collection of expressions, conditions and loop constructs. Use the Call (script_name) function to call a script - see "Using Scripts" in TIBCO iProcess Modeler Advanced Design for information about how to create a script.

•	An assignment expression to give a new value to a field, for example:

   FIELD2 := SUBSTR (FIELD1, 1, 2)

This would assign part of FIELD1 to FIELD2 when the
command is run. See TIBCO iProcess Expressions and Functions Reference Guide for full details of allowable assignment expressions.

Typical uses might be:

•	Interactive database lookup, providing data for other fields in the procedure.

•	Opening an associated document image window.

•	Retrieving data from another application such as a spreadsheet.

•	Providing the user with external help in completing the field.

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