valueChanged NameError: global name 'PLCTriggerScript' is not defined

[Rui_Gao]

Help! this a problem for me, use gateway event is OK,but i wish use tag script value change
Error executing script.
Traceback (most recent call last):
File "tagevent:valueChanged", line 2, in valueChanged
NameError: global name 'PLCTriggerScript' is not defined

[Transistor]

You need to specify the full path.
MESInterface.PLCTriggerScript.OperatorLogin(.....)

[pturmel]

Also, is the project containing that script library the gateway scripting project? If not, then a tag event script cannot reach the library at all.