@Magi Stark is correct.
A case with a scheduled interview looks like this:
"data": {
"display_text": "Case decision", (THIS IS THE NEXT STEP)
"milestone": 72,
"milestone_days_remaining": 59,
"ordered_display_text": [
"Attend biometrics appointment (if necessary)",
"Interview scheduled",
"Case decision",
"Attend oath ceremony (if approved)"
],
"overall": 72,
"overall_days_remaining": 59,
"start_date": "2025-06-09",
"time_until_case_decision": "2 Months",
"time_until_next_milestone": "2 Months",
"outside_normal_processing_time": false,
"gpt_call_failed": false