LatchingSwitch (LS)
This feature is for a switch that maintains its position after being pressed (or turned).
MomentarySwitch (MS)
This feature is for a switch that does not maintain its position after being pressed (or turned). After releasing, it goes back to its idle position.
MomentarySwitchLongPress (MSL)
This feature is for a momentary switch that can distinguish and report long presses from short presses. When this feature flag MSL is present, MS and MSR shall be present as well.
MomentarySwitchMultiPress (MSM)
This feature is for a momentary switch that can distinguish and report double press and potentially multiple presses with more events, such as triple press, etc. When this feature flag MSM is present, MS and MSR shall be present as well.
MomentarySwitchRelease (MSR)
This feature is for a momentary switch that can distinguish and report release events. When this feature flag MSR is present, MS shall be present as well.
These are optional features supported by SwitchCluster.
See
MatterSpecification.v13.Cluster § 1.13.4