get display column value(a)


Returns the value of the user-defined log column with number a that previously has been set using the function set display column.

If the function is executed in a mapping test, the return value is always an empty string.

Description of Parameters


Parameter

Description

a

Number of the user-defined log column (1 - 3).


Example


Parameter a

Result

0


1

Value of column 1 (if set).

2

Value of column 2 (if set).

3

Value of column 3 (if set).

4