Fix for falling through the ground on Add‐On Maps - 5mods/tutorials GitHub Wiki
this has always worked for me
<Item>
<filename>dlc_spRagsRiches:/%PLATFORM%/levels/gta5/_citye/downtown_01/dt1_additions.rpf</filename>
<fileType>RPF_FILE</fileType>
<overlay value="false" />
<disabled value="true" />
<persistent value="true" />
<contents>CONTENTS_DLC_MAP_DATA</contents>
</Item>you can use it for metadata or just throwing everything in one rpf (imap, ityp, idr, ibn, itd, etc)
For interiors metadata (imap only) I use
<Item>
<filename>dlc_spRagsRiches:/%PLATFORM%/levels/gta5/interiors/int_placement_sprr.rpf</filename>
<fileType>RPF_FILE</fileType>
<overlay value="false" />
<disabled value="true" />
<persistent value="true" />
<loadCompletely value="true" />
<contents>CONTENTS_DLC_MAP_DATA</contents>
</Item>and for Interior ityp, idr, ibn, itd, etc I use
<Item>
<filename>dlc_spRagsRiches:/%PLATFORM%/levels/gta5/interiors/sprr_int_facade_loading_dock.rpf</filename>
<fileType>RPF_FILE</fileType>
<overlay value="false" />
<disabled value="true" />
<persistent value="true" />
<contents>CONTENTS_MAP</contents>
</Item>