Siemens SIMATIC PCS 7 System Manual page 33

6. Adapt the action script accordingly for the created trigger tag.
7. Save and close the action.
Example
In the following example, the "FB_UA_WM" block is located in the CFC named "FB_UA_WM".
The block name in the CFC is always the same (UA_WM). The name of the trigger tags consists
of the CFC
chart name "FB_UA_WM" plus the suffix "/UA_WM.OS_TRIG" (FB_UA_WM/
UA_WM.OS_TRIG).
Advanced Process Functions Engineering Manual
System Manual, 07/2016, A5E38719921-AA
Configuring AS-OS communication
3.6 Adapting WinCC actions
33