Layout Renderers

The logging library supports several custom layout renderers in addition to the standard NLog layout renderers. These layout renderers can be included in any layout string and will be substituted with the appropriate value when available:

Global Layouts

• ${application-guid} - renders the current application GUID, if available, in “D” format.
• ${application-name} - renders the current application name, if available.
• ${application-version} - renders the current application version, if available.
• ${server-guid} - renders the current server GUID in “D” format.
• ${vault-guid} - renders the current vault GUID in “D” format.
• ${vault-name} - renders the current vault name.
• ${log-context} - renders any current context information, if available.

Event Handler Layouts

The following layouts will return values from threads processing events, when applicable.

• ${mf-activity} - renders activity id associated with the current event.
• ${mf-trans-master} - renders the master transaction id associated with the current event.
• ${mf-trans-parent} - renders the parent transaction id associated with the current event.
• ${mf-trans-current} - renders the transaction id associated with the current event.
• ${mf-user-current} - renders the id of the user that triggered the current event.
• ${mf-user-session} - renders the id of the user session being used in the current event.
• ${mf-objver} - renders the ObjVer string associated with the current event/thread.
• ${mf-objid} - renders the ObjID string associated with the current event/thread.
• ${mf-event-handler} - renders the type of event currently being handled by the thread.
• ${mf-prop-def} - renders the id of the property definition for property calculation and validation events.
• ${mf-state} - renders the id of the current state for state action and conditional events.
• ${mf-next-state} - renders the id of the next state for state transition events.
• ${mf-transition} - renders the id of the state transition for state transition events.

Task Layouts

The following layouts will return values from threads processing tasks from the application task queues, when applicable.

• ${mf-task-queue} - renders the queue id of the task currently being processed.
• ${mf-task-type} - renders the type of task currently being processed.
• ${mf-task-id} - renders the id of the task currently being processed.
• ${mf-broadcast-ids} - renders the ids of the broadcasts currently being processed.