sendCommand() expression

[rossko57]

The most useful resource is searching this forum for examples. As well as problem+solution posts like this one, where even the struggles inbetween can be educational, there are useful guides like

Type Conversions

Attention: This article is now also available on the openHAB 2 documentation page. If you want to add improvements or additions, please do so there. http://docs.openhab.org/configuration/rules-dsl.html#conversions Interacting with Items in rules A frequent operation in rules is to calculate other values from Item states or compare Item states against other values or perform other operations that are either responses to changes in item states or intended to change the item state. For a complete…