The Common Incident document is an XML schema that contains default fields for mapping values from one system to another.
A sample Common Incident looks like this:
<common_incident> <action /> <active /> <activity_due /> <additional_assignee_list /> <affected_cis> <affected_ci> <ci_name /> <ci_id /> </affected_cis> <approval /> <approval_history /> <approval_set /> <assigned_to_name /> <assigned_to_email /> <assignment_group_name /> <attachments> <attachment> <data /> <size_bytes /> <file_name /> <sys_id /> <content_type /> </attachment> </attachments> <business_duration /> <business_service_name /> <business_stc /> <calendar_duration /> <calendar_stc /> <caller_id /> <caller_full_name /> <caller_first_name /> <caller_last_name /> <caller_email /> <category /> <caused_by /> <child_incidents /> <close_code /> <close_notes /> <closed_at /> <closed_by_id /> <closed_by_full_name /> <cmdb_ci_id /> <cmdb_ci_name /> <comments /> <comments_and_work_notes /> <company_id /> <company_name /> <contact_type /> <correlation_display /> <correlation_id> /> <delivery_plan_display /> <delivery_task_display /> <description /> <due_date /> <escalation /> <expected_start /> <follow_up /> <group_list /> <impact /> <incident_state /> <knowledge /> <location_id /> <location_name /> <made_sla /> <notify /> <number /> <opened_at /> <opened_by_id /> <opened_by_full_name /> <opened_by_email /> <order /> <parent_id /> <parent_incident_number /> <priority /> <problem_id /> <problem_number /> <provider /> <reassignment_count /> <reopen_count /> <resolved_at /> <resolved_by_id /> <resolved_by_full_name /> <resolved_by_email /> <rfc_id /> <rfc_display /> <severity /> <short_description /> <sla_due /> <state /> <subcategory /> <time_worked /> <urgency /> <variables /> <watch_list /> <work_end /> <work_notes /> <work_start /> </common_incident>