Returns the value inserted by the user in the column "input" of the runners grid.
If in any of the SQL property of the strategy there is a reference to this variable, the column "input" is shown in the runners grid.
Example (entry bet SQL condition):
Start a trade when the user insert a value in the column "input".
Example (hedge bet SQL condition):
Hedge the trade when the best back price is lower or equal or to the inserted value.