# Annotation Glossary

### O

out

  Parameter for returning results. Default is transfer full.

### A

array

  Parameter points to an array of items.

allow-none

  NULL is ok, both for passing and for returning.

### S

scope async

  The callback is valid until first called.

### T

transfer full

  Free data after the code is done.

### S

scope call

  The callback is valid only during the call to the method.

### T

transfer none

  Don't free data after the code is done.