Parameter fields and the conversion templates

The picture shows the fields (in the DFHUCNV parameter list) that are described in the previous paragraph:

UNVDTMP
The address of the start of the conversion template
UNVDLNP
The address of a half-word that contains the length of the conversion template
UNVKTMP
The address of the start of the key-conversion template
UNVKLNP
The address of a half-word that contains the length of the key-conversion template