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Database Server (DBS) API


$$VFIELD^DILFD( ): Field Verifier

Reference Type Category ICR #
Supported Database Server (DBS) 2055
Description

The $$VFIELD^DILFD extrinsic function verifies that a field in a specified file exists.

Format
$$VFIELD^DILFD(file,field)
Input Parameters
file

(Required) The number of the file or subfile in which the field to be checked exists.

field

(Required) The number of the field to be checked.

Output

This Boolean function returns the following:

Example

Figure 207: $$VFIELD^DILFD API—Example: Input and Output

    >W $$VFIELD^DILFD(200,99999) <Enter>
    0
Error Codes Returned

None.

 


Reviewed/Updated: May 2026