This function 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.
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 |