[SOLVED] Merge item.name by different strings

[rossko57]

@Phil100Vol

sendCommand(i.name + “_warning” , ON) don’t work.

What does it do? (openhab.log error message)
What does i.name + “_warning” look like? (openhab.log logInfo message)

Why not run your rule anytime one of the member Items changes, rather than by clockwork.
Then, you could only check the one that changed.

Design Pattern: Working with Groups in Rules

Please see Design Pattern: What is a Design Pattern and How Do I Use Them for how to read and use DPs. Problem Statement Often one finds a number of Rules that are very similar and that all work on similar Items resulting in a lot of duplicated code. One way to solve this problem is through the use of Groups. Concept [image] This DP is not a standard DP in that it provides a single concrete template to follow to solve a specific problem. Instead this DP is more of a grand exploration of some …