"abstract class @org.thingpedia.volume-control\n#_[thingpedia_name=\"Volume Control\"]\n#_[thingpedia_description=\"Interface for Volume Control.\"]\n#_[description=\"Interface for Volume Control.\"]\n#[license=\"Apache-2.0\"]\n#[license_gplcompatible=true]\n#[subcategory=\"home\"]\n{\n\n  action raise_volume()\n  #_[canonical=[\"increase the volume of the speaker\",\n                \"increase my speaker 's volume\",\n                \"make the speaker louder\",\n                \"increase the speaker volume\"]]\n  #[confirm=false]\n  #[doc=\"increase the volume of the speaker\"];\n\n  action lower_volume()\n  #_[canonical=[\"decrease the volume of my speaker\",\n                \"decrease my speaker 's volume\",\n                \"reduce the volume of the speaker\",\n                \"reduce my speaker 's volume\",\n                \"make the speaker softer\"]]\n  #[confirm=false]\n  #[doc=\"decrease the volume of the speaker\"];\n\n  action mute()\n  #_[canonical=[\"mute my speaker\",\n                \"silence my speaker 's volume\",\n                \"turn off the volume of the speaker\",\n                \"switch off the sound for my speaker\",\n                \"mute my speaker 's sound\",\n                \"make my speaker silent\"]]\n  #[confirm=false]\n  #[doc=\"mute the speaker\"];\n\n  action unmute()\n  #_[canonical=[\"unmute my speaker\",\n                \"unmute the speaker 's volume\",\n                \"unmute my speaker 's sound\",\n                \"turn on the speaker sound\",\n                \"stop muting my speaker\"]]\n  #[confirm=false]\n  #[doc=\"unmute the speaker\"];\n\n  action set_volume(in req volume: Number #_[prompt=\"from 0 to 100, what volume do you want to set\"]\n                    #_[canonical={\n                      base=[\"volume\", \"value\"],\n                      preposition=[\"to #\"]\n                    }])\n  #_[canonical=\"set the volume of the speaker\"]\n  #[confirm=false]\n  #[doc=\"set the speaker volume\"];\n\n}\n"