AddAttributeToContainer
This method is used to add a data attribute object (DA) to the container of a data object (DO).
METHOD AddAttributeToContainer : BOOL
VAR_INPUT
ipAttribute : I_AcsiCommonAttributeClass;
END_VAR
ipAttribute: Interface pointer of type I_AcsiCommonAttributeClass of the data attribute object, which is to be added to the container.
Return parameter: Positive message (TRUE) on success, negative message (FALSE) on error.