Editing Lua extensions (section)

== Extension types ==
{| class="wikitable"
! Type !! Purpose !! Where it appears
|-
| Modulation || Produces complex IQ or mono audio for a transmission. A mode may use ordinary audio, generate a signal, or consume an image, video, or data file. || '''Modulation''' list in the RF Signal section
|-
| Audio add-on || Processes mono audio before RF modulation. Examples include gain control, filtering, CTCSS, and identification tones. || '''Add-ons''' button in the footer
|-
| Tool or action || Reads or changes documented transmitter settings and may start or stop transmissions. || '''Extensions''' > '''Tools'''
|-
| Theme || Changes the application colors and fonts. || '''Theme''' list in the footer
|-
| Library || Provides Lua modules to other installed extension packages. || Used by declared dependent packages
|}

One package may register several items and may combine several types.