OpenEdge Adapter features
The OpenEdge Adapter enables you to:

Use OpenEdge procedures with other processes in a BPM Workflow.

Interact with OpenEdge procedures using BIZOE (Progress Interface Definition Language) files.

Assign procedure file parameters to dataslots.
You can customize the OpenEdge adapter workstep to:

Connect and log on to the OpenEdge application server.

Run an external procedure in a state-free application server.

Execute a single-run for an external procedure in a state-managed or state-free application server.

Define a dataslot with ABL-specific data type to support "null" value.

Map dataslots (ABL-specific and native) with parameters of type, input, output, and input/output.

Support a return value for an external (or internal) procedure and a user-defined function.