> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/hb-radiance-primer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ladybug.tools/hb-radiance-primer/components/1_modifiers/subface_modifier_subset.md).

# Subface Modifier Subset

![](https://2572426507-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma9X8PomX22wWVDNCoj%2Fuploads%2Fgit-blob-230e0ff7a76b9d2558758cff2033386ecfe9988c%2FSubface_Modifier_Subset.png?alt=media)

![](https://2572426507-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma9X8PomX22wWVDNCoj%2Fuploads%2Fgit-blob-4289d5db86828d7666720c5970fdde4f404e8e6d%2FSubface_Modifier_Subset.png?alt=media) - [\[source code\]](https://github.com/ladybug-tools/honeybee-grasshopper-radiance/blob/master/honeybee_grasshopper_radiance/src//HB%20Subface%20Modifier%20Subset.py)

Create a list of exterior subface (apertures + doors) modifiers that can be used to edit or create a ModifierSet object.

### Inputs

* #### window

A modifier object for apertures with an Outdoors boundary condition and a Wall face type for their parent face. This can also be text for the identifier of the modifier within the library.

* #### skylight

A modifier object for apertures with an Outdoors boundary condition and a RoofCeiling or Floor face type for their parent face. This can also be text for the identifier of the modifier within the library.

* #### operable

A modifier object for apertures with an Outdoors boundary condition and True is\_operable property. This can also be text for the identifier of the modifier within the library.

* #### exterior\_door

A modifier object for opaque doors with an Outdoors boundary condition and a Wall face type for their parent face. This can also be text for the identifier of the modifier within the library.

* #### overhead\_door

A modifier object for opaque doors with an Outdoors boundary condition and a RoofCeiling or Floor face type for their parent face. This can also be text for the identifier of the modifier within the library.

* #### glass\_door

A modifier object for all glass doors with an Outdoors boundary condition. This can also be text for the identifier of the modifier within the library.

### Outputs

* #### subface\_set

A list of exterior subface modifiers that can be used to edit or create a ModifierSet object.