diff --git a/packages/node_modules/@node-red/editor-client/src/types/node-red/func.d.ts b/packages/node_modules/@node-red/editor-client/src/types/node-red/func.d.ts
index 59f8a8bd7..8544439d9 100644
--- a/packages/node_modules/@node-red/editor-client/src/types/node-red/func.d.ts
+++ b/packages/node_modules/@node-red/editor-client/src/types/node-red/func.d.ts
@@ -281,4 +281,21 @@ declare class env {
      * ```const flowName = env.get("NR_FLOW_NAME");```
      */
     static get(name:string) :any;
+    /** 
+     * Get an environment variable value (asynchronous).
+     * 
+     * Predefined node-red variables...  
+     *   * `NR_NODE_ID` - the ID of the node
+     *   * `NR_NODE_NAME` - the Name of the node
+     *   * `NR_NODE_PATH` - the Path of the node
+     *   * `NR_GROUP_ID` - the ID of the containing group
+     *   * `NR_GROUP_NAME` - the Name of the containing group
+     *   * `NR_FLOW_ID` - the ID of the flow the node is on
+     *   * `NR_FLOW_NAME` - the Name of the flow the node is on
+     * @param name Name of the environment variable to get
+     * @param callback Callback function (`(err,value) => {}`)
+     * @example 
+     * ```const flowName = env.get("NR_FLOW_NAME");```
+     */
+    static get(name:string, callback: Function) :void;
 }
diff --git a/packages/node_modules/@node-red/nodes/core/function/10-function.js b/packages/node_modules/@node-red/nodes/core/function/10-function.js
index b84ee8571..b69f6eeed 100644
--- a/packages/node_modules/@node-red/nodes/core/function/10-function.js
+++ b/packages/node_modules/@node-red/nodes/core/function/10-function.js
@@ -235,8 +235,8 @@ module.exports = function(RED) {
                 }
             },
             env: {
-                get: function(envVar) {
-                    return RED.util.getSetting(node, envVar);
+                get: function(envVar, callback) {
+                    return RED.util.getSetting(node, envVar, node._flow, callback);
                 }
             },
             setTimeout: function () {