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Diffstat (limited to 'docs/source/luascript/ref-devices.rst')
-rw-r--r-- | docs/source/luascript/ref-devices.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/source/luascript/ref-devices.rst b/docs/source/luascript/ref-devices.rst index 17b34ef1914..1c3eabdbd2d 100644 --- a/docs/source/luascript/ref-devices.rst +++ b/docs/source/luascript/ref-devices.rst @@ -553,6 +553,12 @@ image:display() Returns a “front panel display” string for the device, if supported. This can be used to show status information, like the current head position or motor state. +image:add_media_change_notifier(callback) + Add a callback to receive notifications when a media image is loaded or + unloaded for the device. The callback is passed a single string argument + which will be ``"loaded"`` if a media image has been loaded or + ``"unloaded"`` if the previously loaded media image has been unloaded. + Returns a :ref:`notifier subscription <luascript-ref-notifiersub>`. Properties ~~~~~~~~~~ |