Disarm SHM when Door Unlocks?

[RBoy (www.rboyapps.com - Making SmartThings Easy!)]

If you’re only looking to run SHM disarm when someone unlocks then you should look at creating a rule in CoRE. Not sure if you’re familiar with CoRE but it’s a very powerful rules engine and great for making a bunch of one off rules out having to go for an overkill of a dedicated app.

[RELEASE CANDIDATE] CoRE (Community's own Rule Engine)

UPDATE DEC 19 2017: If you are still using CoRE, please update to the latest version as soon as you can. Here’s what changed: v0.3.16e.20171219 - RC - Replaced recovery safety nets using unschedule() with a much more optimized method that does not affect ST as much as unschedule() does This is important as CoRE has been identified as a major choke point on a certain method that it uses (ST describes that as expensive in their documentation. As it turns out, it is. With ST’s help, CoRE is now able to recover from timeouts much faster and with a lot less resources than by using its own recovery safety net. You should also consider moving on to webCoRE instead, as CoRE is no longer actively maintained and only gets critical updates. Thank you Continuing in the BETA process of CoRE (mil…

If you’re looking for a more comprehensive solution which allows you to take actions based on the type of lock (code, external button, manual or remote etc) or unlock then check out this SmartApp:

[OBSOLETE] Lock User Management (LUM)

Lock User Management (LUM) is a reliable Lock Manager for remotely managing users and locks It works with the standard Z-Wave Lock/ZigBee device handler that comes with SmartThings and works with any lock that supports remote codes. It can be used to program user codes, be notified when user codes are used and also take actions when codes are used. For automatically generating user codes for rental properties check out Rental Lock Automater (RLA). Click here for a list of lock recommendations Click here for where to buy Z-Wave locks [File_015] [File_016] [File_008] [File_009] [File_017] [File_018] [File_019] [File_020] [File_021] [File_022] [File_023] [File_010] [File_011] [File_012] [File_013] [File_014] You can find installation instructions for LUM here Lock Code User Managemen…

or the thread that @TN_Oldman pointed to above.