Trace fn params slice

beda-software · Jan 11, 2024 · a91f02e · a91f02e
1 parent 9927820
commit a91f02e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fhirpathpy/engine/__init__.py b/fhirpathpy/engine/__init__.py
@@ -63,6 +63,9 @@ def doInvoke(ctx, fn_name, data, raw_params):
 
         raise Exception(fn_name + " expects no params")
 
+    if invocation["fn"].__name__ == "trace_fn" and raw_params is not None:
+        raw_params = raw_params[:1]
+
     paramsNumber = 0
     if isinstance(raw_params, list):
         paramsNumber = len(raw_params)