The concept of ACTION is specific to instrumentation tasks (see SUN/134). The task is capable of obeying or cancelling a number of distinct commands known as actions. It does this, for example, in response to the ICL command:
where context is OBEY or CANCEL.SEND taskname context actionname parameter_list
Actions have to be declared in the Interface File, following the parameter declarations. The Action Specification is of the form:
Where actionname is a character string specifying a valid action name. The same rules should be applied to action names as are applied to parameter names (see AppendixACTION actionname fieldname fieldvalue context specifications . ENDACTION
ADAM Interface Module Reference Manual