Describing a Data Object
To specify that a shared object corresponds to an object collection:
1. Open the Characteristics properties page of the data object.
2. In the drop down menu of the Collection field, select Yes.
The shared object then takes the following form:
Information necessary for execution of operations can be consulted or updated in the data objects.
To indicate that information was obtained from a data object, for example that stock data used by the "Analyze Purchase Request" operation was obtained from the "Stock Data" data object:

Click the link

button in the insert tool bar to link the "Stock Data" to the "Analyze Purchase Request" operation.

A data object is represented by an open head arrow if it is read by a process without having been updated by one of the processes in the repository.

A data object is represented with a solid head arrow if it is updated by a process and not read by any of the processes in the repository.