# GetVBLIOReq

Returns an I/O request for use with timer calls.

### Synopsis

`Item GetVBLIOReq (void)`

### Description

GetVBLIOReq`()` creates and returns an I/O request that is suitable for use with the `WaitVBL()` and `WaitVBLDefer()` calls.

### Return Value

This call returns the item number of the I/O request or an error code (a negative value) if an error occurs.

### Implementation

Convenience call implemented in graphics.lib V20.

### Associated Files

graphics.h, graphics.lib

### See Also

``WaitVBL`(), WaitVBLDefer(), DeleteItem()`