Create makeFriends.cdc

cadence/transactions/makeFriends.cdc

@@ -0,0 +1,19 @@
+// read more about Cadence transactions here https://developers.flow.com/cadence/language/transactions
+import "Person"
+
+transaction {
+    let acc: AuthAccount
+
+    prepare(signer: AuthAccount) {
+        self.acc = signer    
+    }
+
+    pre {}
+
+    execute {
+        // save the resource to the storage, read more about it here https://developers.flow.com/cadence/language/accounts#account-storage
+        self.acc.save<@Person.Friendship>(<-Person.makeFriends(), to: StoragePath(identifier: "friendship")!)
+    }
+
+    post {}
+}