Routines (alphabetical) > Routines: H > HDF Routines > HDF_VG_GETTR

# HDF_VG_GETTR

The HDF_VG_GETTR procedure returns the tag/reference pair at the specified position within a VGroup in an HDF file.

## Syntax

HDF_VG_GETTR, VGroup, Index, Tags, Refs

## Arguments

### VGroup

The VGroup handle returned by a previous call to HDF_VG_ATTACH.

### Index

The position within VGroup.

### Tags

A named variable in which the tag numbers are returned.

### Refs

A named variable in which the reference numbers are returned.

## Keywords

None

## Version History

4.0 | Introduced