25.4.3 Debugging Business Process Logic

Use APEX debug tracing to investigate workflow and task errors.

When a business process encounters an error, use APEX debug tracing to learn more information about what went wrong.

• Querying Recent Debug Messages
  Query recent debug messages to find workflow errors and related trace details.
• Enabling Debug Tracing Proactively
  Enable debug tracing from the Developer Toolbar or directly on a workflow version.
• Viewing Debug Trace Information
  View workflow debug traces by clearing page filters in the Debug Message Data window.
• Adding Custom Debug Messages
  Add custom debug messages with APEX_DEBUG.INFO when needed.