diff --git a/src/commands/data-pathways/pump-pulse.send.ts b/src/commands/data-pathways/pump-pulse.send.ts
index d3a7194..1e3fc8b 100644
--- a/src/commands/data-pathways/pump-pulse.send.ts
+++ b/src/commands/data-pathways/pump-pulse.send.ts
@@ -4,6 +4,7 @@ import { type DataPathwayPumpPulseResponse, DataPathwayPumpPulseResponseSchema }
 
 export interface SendPumpPulseInput {
   pathwayId: string
+  sourceId?: string
   flowType: string
   timeBucket: string
   eventId: string | null