Parameter to select single-channel annotated z-stack exports from RoiSet

model_server/base/roiset.py

@@ -34,6 +34,7 @@ class PatchParams(BaseModel):
 
 class AnnotatedZStackParams(BaseModel):
     draw_label: bool = False
+    channel: int = None
 
 
 class RoiFilterRange(BaseModel):