### Constructor

# Gtk StringFilter new

#### Declaration [src]

    GtkStringFilter*
    gtk_string_filter_new (
      GtkExpression* expression
    )

#### Description [src]

Creates a new string filter.

You will want to set up the filter by providing a string to search for and by providing a property to look up on the item.

#### Parameters

`expression`

  Type: `GtkExpression`

  The expression to evaluate.

  The argument can be `NULL`.
  The called function takes ownership of the data, and is responsible for freeing it.

#### Return value

Type: `GtkStringFilter`

A new `GtkStringFilter`

The caller of the function takes ownership of the data, and is responsible for freeing it.