> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/fairyfly-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/fairyfly-primer/components/0_create/ff_color_boundary_attributes.md).

# FF Color Boundary Attributes

![](/files/x4rqENeRakLenRXNTL8b)

Color Fairyfly Boundaries in the Rhino scene using their attributes.

This can be used as a means to check that correct properties are assigned to different boundaries.

### Inputs

* **ff\_objs \[Required]**

An array of fairyfly Boundaries to be colored with their attributes in the Rhino scene. This can also be an entire Model to be colored.

* **attribute**

Text for the name of the attribute with which the boundaries should be colored. The "FF Boundary Attributes" component lists all of the attributes of the boundary. (Default: THERM Condition).

* **legend\_par**

An optional LegendParameter object to change the display of the colored boundaries (Default: None).

### Outputs

* **wire\_frame**

A list of lines representing the outlines of the \_ff\_objs.

* **legend**

Geometry representing the legend for colored lines.

* **lines**

Line segments of the boundaries colored according to their attributes.

* **values**

A list of values noting the attribute assigned to each boundary.

* **colors**

A list of colors noting the color of each boundary in the Rhino scene. This can be used in conjunction with the native Grasshopper "Custom Preview" component to create custom visualizations in the Rhino scene.