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HaveGVM

Use this function to determine if a GVM variable exists.

HaveGVM (Name, Instance)

Parameter	Description
Name	Enter the name of the GVM variable.
Instance	Enter the instance number of the GVM variable. The default is one (1).

The system returns one (1) if it locates the GVM variable or a zero (0) if it cannot find the variable.

Here is an example:

Function	Result	Explanation
If (HaveGVM(‘Company’)) AddComment( GVM(‘Company’)) End	1 or 0	If a GVM variable "company" exist; then add the content of the GVM variable to the print stream.

Function

Result

Explanation

If (HaveGVM(‘Company’))

AddComment( GVM(‘Company’))

End

1 or 0

If a GVM variable "company" exist; then add the content of the GVM variable to the print stream.