# E.8 PrefixLines This filter adds a prefix to every line. The following example will add the string `foo: ` in front of every line. ``` <filterchain> <prefixlines prefix="foo: " /> </filterchain> ``` Table E.8:聽 Attributes for the `<prefixlines>` tag NameTypeDescriptionDefaultRequired`prefix``String`String to prepend to every line.n/aYes