diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 0f17bf8..2b0cadb 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -10,6 +10,7 @@ export * as DataspacePatterns from './gen/dataspacePatterns.js';
 export * from './runtime/actor.js';
 export * from './runtime/bag.js';
 export * as Dataflow from './runtime/dataflow.js';
+export { Field } from './runtime/dataflow.js';
 export * from './runtime/dataspace.js';
 export * as Pattern from './runtime/pattern.js';
 export * as QuasiValue from './runtime/quasivalue.js';