diff --git a/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml b/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml
index 8db36c4d6201afca950018b34b19366d830e8ee1..151735a2f57409877e25b18b53fcede9cfaa0c75 100644
--- a/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml
+++ b/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml
@@ -728,6 +728,8 @@ components:
           type: boolean
         roamerInOut:
           $ref: '#/components/schemas/RoamerInOut'
+        disasterRoamingInd:
+          type: boolean
     PDUSessionInformation:
       type: object
       properties: