Calling List XRef Functions

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# Calling List XRef Functions

Many functions of the Natural `LIST XREF` command can be called from a menu or with a command. See the syntax and parameters of LIST XREF direct commands.

The XRef Menu (shown above) is invoked by entering `LIST XREF` after the Natural NEXT prompt. The command can be abbreviated to `L X` (separated by a blank). Alternatively, the XRef menu can be invoked in the Natural Development Facilities menu.

All `LIST XREF` menus include a command input field, and the system displays the next appropriate menu after successful execution of a direct command; thus it is always possible to enter `LIST XREF` commands in either way. Any Natural command can be entered in the command input field; its use is not limited to `LIST XREF` commands.

This document covers the following topics:

- Processing Several Objects in One Call

- Help Information

- Using the LIST XREF Profile

## Processing Several Objects in One Call

With the functions that retrieve information on individual objects, single objects or several objects can be processed in one call. If several objects are to be processed, selection criteria can be specified to determine the range of objects.

## Help Information

The Natural `LIST XREF` command offers different forms of online help:

- Help on the meaning of a function. This form of help is displayed by entering a question mark (?) in the Code field of any menu. The XREF help menu is then displayed. Marking one of the topics and pressing ENTER causes Natural to display information on the respective function.

- Help information about direct commands. This form of help is displayed by entering a question mark (?) in the Command===> field. The XREF command help menu is then displayed. Marking one of the topics and pressing ENTER causes Natural to display information on the respective direct command.

## Using the LIST XREF Profile

The way functions work can be changed with parameters set in the `LIST XREF` session profile. For example: Functions that display menus of the Natural `LIST XREF` command can be assigned to some of the program function (PF) keys. See Maintaining a LIST XREF Profile .

### On this page

- Processing Several Objects in One Call
- Help Information
- Using the LIST XREF Profile