1 files changed, 1 insertions, 0 deletions
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index cb17936f7..484faa93d 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -2,6 +2,7 @@ import { BigNumber } from 'bignumber.js';
 import * as Web3 from 'web3';
 
 export interface TxData {
+    data?: string;
     from?: string;
     gas?: number;
     gasPrice?: BigNumber;