diff --git a/package-lock.json b/package-lock.json
index 38225a9..7f4c774 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@fluencelabs/aqua-cli": {
-      "version": "0.1.1-74",
-      "resolved": "https://registry.npmjs.org/@fluencelabs/aqua-cli/-/aqua-cli-0.1.1-74.tgz",
-      "integrity": "sha512-AfABW9Zgor09SViOvY75kbBuwaLrUHNm9ucXg5ufw7rGBbpBtZFx3m6senAlzNyXmcEr4gyhrheYrYXqYmw5pQ==",
+      "version": "0.1.1-76",
+      "resolved": "https://registry.npmjs.org/@fluencelabs/aqua-cli/-/aqua-cli-0.1.1-76.tgz",
+      "integrity": "sha512-4W3onIa1SSb2L2h9+1K3LyOtDyllpiH60XeBBZoUT0VrYvfIg1+QyJ+QOwbVp1PYLgEhxvzt9Ni+zdUnWErxFg==",
       "dev": true
     },
     "@fluencelabs/aquamarine-interpreter": {
diff --git a/package.json b/package.json
index 4159a15..946678e 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "compile-aqua": "aqua-cli -i ./src/aqua/ -o ./src/compiled"
   },
   "devDependencies": {
-    "@fluencelabs/aqua-cli": "^0.1.1-74",
+    "@fluencelabs/aqua-cli": "^0.1.1-76",
     "ts-node": "^9.1.1",
     "typescript": "^4.2.4"
   },
diff --git a/src/aqua/fold.aqua b/src/aqua/fold.aqua
index 66d3ed0..a90de90 100644
--- a/src/aqua/fold.aqua
+++ b/src/aqua/fold.aqua
@@ -9,5 +9,5 @@ func iterateAndPrint(strings: []string):
 func iterateAndPrintParallel(nodes: []string, c: ExternalAddresses -> ()):
     for s <- nodes par:
         on s:
-            ads <- Peer.identify
+            ads <- Peer.identify()
             c(ads)
diff --git a/src/aqua/par.aqua b/src/aqua/par.aqua
index f6dcbd7..d3a2c66 100644
--- a/src/aqua/par.aqua
+++ b/src/aqua/par.aqua
@@ -6,6 +6,6 @@ service ParAbb("parabb"):
 func parFunc( node: string, c: ExternalAddresses -> () ):
     y <- ParAbb.call()
     par on node:
-        t <- Peer.identify
+        t <- Peer.identify()
         c(t)
     par x <- ParAbb.call()
diff --git a/src/compiled/builtin.ts b/src/compiled/builtin.ts
index 0ad9162..05d9f57 100644
--- a/src/compiled/builtin.ts
+++ b/src/compiled/builtin.ts
@@ -41,6 +41,6 @@ export async function id(client: FluenceClient): Promise<void> {
             .build();
     });
     await client.initiateFlow(request);
-    return promise;
+    return Promise.race([promise, Promise.resolve()]);
 }
       
\ No newline at end of file
diff --git a/src/foldCall.ts b/src/foldCall.ts
index f2de7d6..7f56e64 100644
--- a/src/foldCall.ts
+++ b/src/foldCall.ts
@@ -2,6 +2,8 @@
     import {iterateAndPrint, iterateAndPrintParallel} from "./compiled/fold";
 
     export async function foldCall(client: FluenceClient) {
-        await iterateAndPrint(client, ["1", "2", "3"])
-        await iterateAndPrintParallel(client, ["4", "5", "6"])
+        await iterateAndPrint(client, [client.relayPeerId!])
+        await iterateAndPrintParallel(client, [client.relayPeerId!], (c) => {
+            console.log("iterateAndPrintParallel. external addresses: " + c.external_addresses)
+        })
     }
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index 5bbdfd2..d203f87 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-import {createClient, registerServiceFunction, SecurityTetraplet} from "@fluencelabs/fluence";
+import {createClient, registerServiceFunction} from "@fluencelabs/fluence";
 import { testNet } from "@fluencelabs/fluence-network-environment";
 import {callArrowCall} from "./callArrowCall";
 import {dataAliasCall} from "./dataAliasCall";
@@ -20,6 +20,8 @@ const main = async () => {
     return {}
   })
 
+  // these calls return void, so they could be executed at any time,
+  // because promise waits only a fact that particle was sent
   await callArrowCall(client)
   await foldCall(client)
   await ifCall(client)
diff --git a/src/parCall.ts b/src/parCall.ts
index 7b667a4..44f24a3 100644
--- a/src/parCall.ts
+++ b/src/parCall.ts
@@ -6,5 +6,7 @@ export async function parCall(client: FluenceClient) {
         return `hello`
     })
 
-    await parFunc(client, client.relayPeerId!)
+    await parFunc(client, client.relayPeerId!, (c) => {
+        console.log("parFunc. external addresses par: " + c.external_addresses)
+    })
 }
\ No newline at end of file