has_node()

Checks if ZWave node with a node_id exists in network

Call
Example

Edit

zwave.has_node(123)

params: node id (number).
return: bool

Edit

				
					require "zwave"

local has_node = zwave.has_node( node_id )
if not has_node then
    print( "There is no node found with node_id: " .. node_id )
end