# Synopsis

PDX_MSGT mda_DeletePtr(MDA_PTR parent, MDA_PTR child)

# Purpose

Delete an entity reference.

# Description

The reference from parent to child will be deleted. Child may be specified as MDA_NULL_PTR (nothing will be done in this case). If backpointer information is not enabled then the reference from parent to child will not be deleted and MDA_NOERR will be returned.

# Input

## parent

Entity referencing child

## child

Entity referenced from parent

# Return

MDA error code