~~Title: FilterParseError~~
<pageheader/>

If a **[[filter|Filter]]** object fails to parse the [[:file_operations:filtered_operations:textual_filters|textual filter]] string you provide, you can retrieve this object from the **Filter.lasterror** property to find out what went wrong.


<commandtable columns="3" id="cmdtable_1">
$$ Property Name
$$ Return Type
$$ Description
$$ length
$$ //int//
$$ Returns the length of the token that caused the parsing error.
$$ message
$$ //string//
$$ Returns the error description.
$$ position
$$ //int//
$$ Returns the position of the parsing error in the input string.
$$ token
$$ //string//
$$ Returns the token that caused the parsing error.
</commandtable>