Foreach controller in jmeter. One of the JMeter flaws is that it's quite hard to verify collections against database at once using only the GUI. Foreach controller in jmeter

 
One of the JMeter flaws is that it's quite hard to verify collections against database at once using only the GUIForeach controller in jmeter  After adding a thread group: Right click on Thread Group -> Add -> Logic Controller -> bzm - Parallel Controller

ThreadGroup --Req1 --Req2 ---RegEx: with Match No. I need to use all variables in one single request. I have the following two questions that I could not find answer for. Stack Overflow | The World’s Largest Online Community for DevelopersForEach Controller and Switch Controller configuration; Schematic view of your Test Plan (Tools -> Generate Schematic View) The values of JMeter Variables used in the ForEach and Switch Controllers for at least 2 iterations (can be obtained using Debug Sampler and View Results Tree listener combination) jmeter. Time duration Calculation in jmeter. 0. Logic Controllers can change the order of requests coming from any of their child elements. e. Ok, as far as I have realised, I have to use a "BeanShell Sampler" between "JDBC Request" and "ForEach Controller". Before executing the test plan do not forget to set the check box, “Run Thread Groups consecutively. CSV Data Set Config. Actual data i. Change your Loop Controller to ForEach Controller. JDBC Connection Configuration JDBC Request ForEach Controller BeanShell Sampler HTTP Request. The easiest is using ForEach Controller configured like: once done in the ForEach Controller's child(ren) you will be able to refer the "current" id as ${id}. User-defined static values allow the user to define variables to be replaced with their static value when a test tree is compiled and submitted to be run. 7128° N longitude_1=74. like wid_machNr=3 wid_1=111, wid_2=222, wid_3=333. Also add two Dummy Samplers inside the controller and apply identical characteristics to both of them. > ForEach Controller (runs through the files from DBExt. e. In the figure below we have a test plan containing two Thread Groups. For example, this can be used to assign a distinct user id to be used by each thread. The id you can get from the ForEach Controller configured like: And refer it as $ {id} under the ForEach Controller. Với Samplers controller, có nhiệm vụ yêu cầu JMeter gửi các requests tới một server. Put the HTTP Request sampler (or any other sampler if you’re using a different protocol) under the While Controller. Only if not active -> skip to active_status_2 -> if active - > report and stop. csv file contains only one column called domain. apache. ForEach controller loops through the values of a set of related variables. 2. The Once Only Logic Controller tells JMeter to process the controller(s) inside it only once, and pass over any requests under it during further iterations through the test plan. Also add two Dummy. org. Use a match number of -1, this returns all matches and creates the groups, then you can simply limit the foreach to 10 iterations using a counter. jmeter. This limitation may pose a challenge when you need to pass multiple variables within the same controller. If you configure ForEach Controller like: then you will be able to get the current value of foo variable as: vars. The Once Only Controller will now execute always during the first iteration of any looping parent controller. If there is no dependency among the requests throughput. Example configuration: Demo:The match no -1 creates variables vals_1 . It is a very basic and common request that run calls base on input array in Jmeter scripts. 1, double click in ApacheJMeter. Read multiple CSV files from multiple folder and import to a SQL table through SSIS. However, once you have such numbers, it becomes increasingly difficult to tweak thread groups and timer delay settings within JMeter to simulate a targeted requests per second (RPS) value for the modules. The onprem foreach parameters are something like this: input variable: folderid (as extracted using json extractor) start index : 0. Step 2) Configuring Loop Controller. When using this feature, ensure your script code does not use JMeter variables or JMeter function calls directly in script code as caching would only cache first replacement. ForEach controller loops through the values of a set of related variables. ForEach Controller save index of loop in a special variable you can use: JMeter will expose the looping index as a variable named jm __idx. Using Transaction Controller in test plans In general, you can think of controllers as container elements that group or hold numerous samplers. Server names are defined in User Defined Variables config. Index starts at 0. log file doesn't contain anything suspicious - go for Debug Sampler and View Results Tree listener combination. Apache Groovy - Why and How You Should Use It. I am writing a test plan that envolves requesting various. Roughly, something like this: Below is the scenario (Jmeter Tool) I am capturing one variable (Name as UID) using regex by keeping match number as "-1' I want to create request for each UID, and these requests should go parallel. 3 Looping through multiple Regex extractor output. Due to the workflow requirement, I need to combine all of the instances of the inspectionIds and then move on to the next controller. create a counter which starts from 1 and increment by 1. get ('__jm__your-foreach-controller-name-here__idx') if you haven't changed the default name it would be: Sorted by: 1. You can define the urls in the csv data format and have Jmeter loop through it. Set time gap/timer between 'foreach controller' requests. The possible reasons for not executing the 2nd HTTP Request are in: Your extractor fails somewhere somehow, double check that the variable is set and has expected value using Debug Sampler and View Results Tree listener combination. I'm getting results (list of ids) from SQL in. From the log you posted it seems the regex is matching against strings at least 12 times. There is no need to use __counter() function as ForEach Controller exposes a special variable holding current loop index (zero-based) JMeter will expose the looping index as a variable named jm__idx. All controllers and samplers must be under a thread group. - Foreach Controller with input variable prefix "TRANSACTIONIDS", output name "RETURNID" - User Defined Variables config element with the following: XML -> ${XML}<id>${RETURNID}</id>. JMeter is very mature and big tool with tons of features, JMeter java classes (code) are around 5K-plus, It takes continuous effort and practise to use JMeter effectively Besides JMeter being a GUI driven tool, with each component having manyy configurations, and each configuration effect and side-effect has to be understood for effective. Step 2: Right click on the Thread Group and select Add > Logic Controller > Loop Controller and Set Loop Count as 10. Then use ForEach Controller and feed the variable from JSON Extractor to it. 一台のマシンでだいたい 200 ~ 400 くら. 2. You don't need Directory Listing Data Source at all as you're getting the files list via Beanshell; You need to use ${UPLOAD_FILE} variable in the HTTP Request sampler; It will be more convenient to use ForEach Controller, in that case you won't have to worry about counting the loops and calculating the next file name; Since JMeter 3. However, this doesn't accept any input variable like "ForEach" controller does. Sorted by: 52. Jmeter For each Controller Ask Question Asked 3 years, 7 months ago Modified 3 years, 7 months ago Viewed 807 times 0 I've created in Jmeter the follwing: HTTP Request (first one)Modified 2 years, 4 months ago. Sorted by: 0. 1. Developers can use it to simulate various usage patterns; it also has various plugins that enable it to manipulate these usage patterns. Scenario: Get results (list of M millions ids) from SQL in JDBC Request and save in variable name id. These functions are JMeter inbuilt functions . No need for a counter. Samplers controller: Jmeter samplers cho phép định nghĩa các request có thể được gửi tới một server. Syntax: requests: - foreach:. So to explain again: Run on active_status_1 -> if active -> report and stop the loop. 0. Each Sampler can be preceded by one or more Pre-processor element. Jmeter - Use Loop controller based on array (created from from multiple variables) 0. Ask Question Asked 5 years, 7 months ago. In this JMeter tutorial, we’ll use the. For example, if you set the number of threads as 100; JMeter. Quote from help text: "the ForEach Controller can be used to loop through the groups by using the input variable refName_g, and can also loop through all the groups in all the matches by using an. Define your user variable using the User Defined Variables component, or use the CSV component. To achieve this, you need to parse that JSON Response with JSON Class in Java. Hi There, I have a requirement to pass 2 variables extracted from json extractor from a request to a For Each controller. I'm expecting that the result name will be test1. to JMeter Forum. Related questions. If you need to iterate all the countries it's better to go for the ForEach Controller, in this case you need to transform the countries variable into the following pattern:. More information: Results file configuration. 1. See Debugging JDBC Sampler Results in JMeter guide for more information on working with the JDBC test elements results. JMeter ForEach controller with list of Objects not being iterated over. No from your regex to -1. For example, when testing an API, we could get a JSON response which could contain JSON Arrays. /src/file/file1. AbstractTestElement. 2. ids1=foo ids2=bar ids3=baz etc. 3. While working with JMeter, I discovered that JMeter does not easily determine the value of a property of the json variable. The JMeter Transaction Controller can be a very handy tool for organizing different segments of your test and determining how those segments will appear in a report. 1. apache. Given that your foreach controller works and ${jspPage}. Input variable prefix: uuid_list,file_list,file_path; Output variable name : uuid_list,file_list,file_path; to my next call which I want to iterate. GenericController. 1 Answer. In the loop I create several objects. (INACTIVE_FORCED_ADMIN in this case). If there are more threads than values, the values get re-used. The problem it's started with 0, and QuestionID index start with 1,After configuring ForEach controller , you can access above variables inside ForEach loop using __V() and __Counter() functions. Improve this answer. The __jm__Loop Controller__idx variable starts from zero so you need to add 1 to the initial value, it can be done using. $ {JMeterThread. $ {__split ($ {keywords},keyword,;)} The split function would create new variables as given below. JMeter提供了多種邏輯控制器,它們各個功能都不相同,大概可以分為兩種使用型別: 控制測試計劃執行過程中,節點的邏輯執行順序,如:ForEach Controller(ForEach控制器),Loop Controller(迴圈控制器)、If Controller(如果if控. Logical Controllers: It lets you control the order of processing of Samplers in a Thread. Make sure you restart JMeter. It simulates a user”s request for a page to the target server. However, "ForEach" controller runs samplers one after the other. Solution After configuring ForEach controller , you can access above variables inside ForEach loop using __V () and __Counter () functions. The timer will be applied before the sampler is executed. Parameterized the Name in CSV. log. 2. The easiest way is using ForEach Controller configured as: Input Variable Prefix: listName; Output Variable Name: anything meaningful, i. Send requests inside ForEach Controller with input variable id in parallel. ForEach Controller in Jmeter iterates through an array of variables. If Controller 1. So you have the following workarounds:I used jmeter recently and I try to get some data from a jdbc request and send them in a spring service with request. ForEach Controller. Add ForEach Controller and configure it as follows: Input variable prefix: product; Output variable name: product; That's it, if you add a Sampler as a child of the ForEach Controller, the controller will iterate all the variables so you will be able to refer each and every as ${product} where required like Demo: In this blog post we are going to look at several JMeter Controllers, specifically: Simple Controller. Press the Record button. Controller(循环控制器)、If Controller(如果if控制器)等;. Follow. Due to these two points, JMeter is multiplatform and runs in any kind of machine with a Java virtual machine installed: Windows, Linux, Mac. If you place the whole. jmeter -H 129. Class ForeachController. Change the CSV's configuration: Stop thread on EOF =TRUE And Recyle on EOF = FALSE. log file; If jmeter. In this example, these thread groups are named “First Thread Group” and “Second Thread Group. 0853° N longitude_2=34. Jmeter - How to assign multiple dynamic values to a variables inside a loop. 1. a forEach controller to iterate trough the values, a request and a response assertion. 1. 0. Also be aware that since JMeter 3. The following screenshot shows a Loop Controller Control Panel −. JMeter is a Java desktop application. I want to count them before I run through them. I haven't been able to make it work because I got stuck at the jsr223 configuration. subresults=false. Input variable prefix: uuid_list,file_list,file_path; Output variable name : uuid_list,file_list,file_path; to my next call which I want to iterate. JSON is an extremely simple data format which has taken. . However, "ForEach" controller runs samplers one after the other. When you add samplers (or controllers) to a ForEach controller, every sample (or controller) is executed one or more times, where during every loop the variable has a new value. Then I set variable with the index in my request: $ {MyVar_N}, $ {MyVar_N+1},. Above code will iterate all the JMeter Properties, look for the ones starting with prop_ and convert them to JMeter Variables which you can use in the ForEach Controller. jmeter-no of threads and loop controller. If you have JMeter Variables looking like:. In the first one, I declare an empty array list. It scales web development by helping you measure and analyze application performance. After that add an debug sampler and check the variables. Add a comment. ForEach Controller Given an input array variable it will loop over it, assign the output variable the value at each index and execute the child requests for each output variable value. But I need to send all custID in single request to set preferences of customers –In JMeter: I have 2 controllers, 1 loop and 1 while controller. Trying to use Jmeter to perform the below scenario. First I am going to add HTTP Request and entering the Homepage Address of the New Tours demo site. In such scenarios, typically, we want to load. create a user define variable (say nTimesToRun) ,which holds number of times loop should be executed. The possible reasons for not executing the 2nd HTTP Request are in: Your extractor fails somewhere somehow, double check that the variable is set and has expected value using Debug Sampler and View Results Tree listener combination. So in case of your controller name is ForEach Controller to get. It simulates a user's request for a page to the target server. Get the JSON Library from Maven Repository and put it in JMeter Classpath. Please follow below steps. Few more tips: In every situation when JMeter test is not working as expected take a look into jmeter. I tried defining list with both def myList = [] and List&lt; Download source code - 1. The variable names stand for each of the columns in the csv file, and can be referred in the loop controllers. g: To…For Example, Thread Group loop count is set to “2”, Loop Controller loop count is set to “2”, and “3” requests are present under Loop Controller node, then JMeter will send a total of “30” Http Requests to the web server under test. ForEach Controller. Teams. JMeter will parse the CSV file and populate those. g loop1 = test1. Following is my test plan. Der Parallel Controller ist ein JMeter Plugin, das es ermöglicht, mehrere Sampler gleichzeitig auszuführen, um die parallele Anforderungsverarbeitung zu simulieren. 2. org. My steps: Created JDBC Request that return data in 2 columns and added variable names (years, elements). Server names are defined in User Defined Variables config. jmeter. Assuming that you have each link in a new line could you please make sure that following configuration is applied: For Loop Controller: should be > than 1 loop. 5. Using Apache JMeter First question: I was able to read one single file (containing all the data) from a directory and use its data. I tried ${data[0]}, ${data}[0], and ${data_0} but it doesn't work. WhileController with condition that is always true) won't result in a StackOverflow. Follow answered Aug 27, 2019 at 14:35. Hot Network Questions What does mean `^(*. Jmeter ForEach controller is picking duplicate values from regular expression variable results when match count set to -1. jmeter. Add a ForEach Controller to iterate all the keywords for the test case & Module Controller to call the keyword via Switch. Set File encoding : UTF-8. org. Sampler có thể giả lập các request của người dùng tới target server. Loop Controller. get ('__jm__your-foreach-controller-name-here__idx') if you haven't changed the default name it would be:Sorted by: 1. This controller allows you to use multiple test plans in JMeter. Your screenshots don't shed any lights on the problem you're expecting, if you're confused with the Counter behaviour be aware that you don't need it at all, since JMeter 4. The other screenshots shot a correctly configured regex extractor, and a correct ForEach controller configuration. 1. So in case of your controller name is ForEach. Next, add Three HTTP Request Samplers Inside the Thread Group as shown below. an array variable which can be used in the ForEach Controller in the case of negative numbers. The solution for that is to use Logic Controllers e. ForEach Controller picks up JMeter Variables in form of: filelist_1 filelist_2 filelist_3 etc. vals_7, which you can then use in a ForEach Controller to assign to a JMeter variable: Input variable prefix: vals Output variable name: id [v] Add '_' before number? now you can use the JMeter variable ${id} in a nested URL sampler to pass the customer id in a URL. While Controller. For more information on Beanshell scripting in Apache JMeter refer to How to use BeanShell: JMeter's favorite built-in component guide. testelement. 4. Jmeter - How to put each member of the forEach loop into variable. 1. For example, this can be used to assign a distinct user id to be used by each thread. Thread_1 Iteration_1 --- Data from col 1. 5 price_2=60. Now let’s implement the same scenario using a single HTTP Request run via parameterized iterations. The proxy server records all the requests fine. Thus, if you have 100 threads, it will run 100 times. But while searching instead of entire name being passed as parameter i. Yes, it's possible. If you configure ForEach Controller like: then you will be able to get the current value of foo variable as: vars. If you want to create a JSON from 3 JMeter Variables you need to do some scripting using any JSR223 Test Element and Groovy language, example code: 1 Answer. 0 of JMeter, there is an easier way:Can I use them in foreach controller? like as follow. Several options that can be used to change throughput value include: Using a counter variable. There is no problem to have multiple Samplers as ForEach Controller children. Please note that this is a prototype, our actual use case will have 1000-5000 nodes in the array and will do more then just an HttpRequest. At bin folder of apache-jmeter-5. Import statements allow including specific members of a package in your script. 0059° W latitude_2=32. In these folders I have multiple CSV files, I need to read the folder named with the current. ok I just added the same request in the previous rest loop controller and it just seem to work fine – so basically its doing two things in the same loop controller lloocontroller--> request1--> execute--> xpath extractor --> request2-->get value from xpathextractor--> execute. 0. With regards to the "price" you will need to use __V () and __intSum () functions combination like:Samplers are the components which allow JMeter to send specific types of requests to a server. ”. Jmeter : While Controller : Loop not getting executed for second itreration. Jmeter - Use Loop controller based on array (created from from multiple variables) 0. Requests could be HTTP, HTTP(s), FTP, TCP, SMTP, SOAP etc. This replacement happens once at the beginning of the test run. I have tried adding foreach controller with a regular expression extractor, but Im not sure I have done it correctly: Im new to JMeter so Im not sure if Im doing any of this. You should be able to refer the array value as ${current_array} where requiredAnd the next JSON Extractor configuration. 1. Passing two variables in a ForEach controller in jmeter. 2. 3. If you look in the View Results Tree listener, do you see requests to "rest/items/ [. So you need to amend your User Defined Variables to look like. For more details you. As of JMeter 3. Also it might be a better idea to use ForEach Controller instead of the Loop Controller, the relevant configuration would be something like: References: How to Use ForEach Controller in JMeter; Using Regular Expressions in JMeter; Share. Problem is transaction names are starting from the point where iteration:1 is ended. If you need to amend this seqNum value as well go for __counter () function or Counter test element and implement iteration on second variable manually. If you want to use your "array" in the ForEach Controller configured like in your screenshot you need to create the relevant JMeter Variables beforehand in form of: json_1=f439d9bb-487b-4a46-b5aa-1013d8de464a json_2=6656dae1-159a-4062-9cbb-5382d5202cd8 etc. 1. I. I ended up using a Test Action with 30s pause. Or Use Script Text and check Cache compiled script if available property. Debug Sampler - $ {domain} ForEach Controller (in has input variable domain and output variable out) Debug Sampler - $ {out} It executes the first Debug Sampler but not the second one. For example you have 4 JMeter Variables: latitude_1=40. I am getting printed only the first value. Then add ForEach Controller and set it up like: That's it, the XPath Extractor will fetch all testcases ids and ForEach Controller will iterate all of them, you will be able to refer the current testcase id inside the ForEach Controller as ${testcase_id} where required: More information: Using the XPath Extractor in JMeterTitle: Mastering JMeter 5. Make sure in your reg ex, you set the match value to -1 to. JMeter starts with the offset specified by the __threadNum () function, to wit: user 1 iterates all variables. Jmeter will then stop when all "CSV data set" rows are run. util. 1. I cannot reproduce your issue: Assuming the following JMeter Variables defined: foo_2=bar foo_3=baz foo_4=qux. Add ForEach Controller and configure it as follows: Input variable prefix: product; Output variable name: product; That's it, if you. It seems that jmeter enters the while loop every other foreach iteration (i reset the loopflag to true before it get to the while loop and to false once it gets inside of while)-set test variables of pattern "variablename_" + index (1-10)-Foreach( variablename_ )JMeter JsonPath Extractor Plugin can be downloaded and installed from jmeter-plugins website. In while controller my condition is. If ControllerTo apply a timer to a single sampler, add the timer as a child element of the sampler. 1 Answer. 1 Thread Group. Also, to allow it to work better with the ForEach controller, __split now deletes the first unused variable in case it was set by a previous split. You will get something like this: Share. This example takes tab separated data returned by a database call and adds it to db_rows; Note the -1, which when combined with a ForEach Logic Controller processes all rows; Extracting Multiple Values. Add Debug Sampler after the HTTP Request (first one) and make sure it contains the variables you're looking for, in order for ForEach Controller to work you need to have the following variables pattern: var_1=some value var_2=some other value etc. Jmeter - Loop through the array defined from 'User Defined Variables' 0. Then, in the Loop Controller, define loop count to: ${nameOfVar} Can I use them in foreach controller? like as follow. Is it possible to put 2 foreach control nested in Jmeter? Set variables 1 (with 5 variables) Foreach (from 1 to 5) Set variables 2 (with 3 variables) Foreach (from 1 to 3) HTTP petition, with 2 parameters (1 from setvariables 1 and another from setvariables2) The result I expect is 15 HTTP petitions. JMeter plugins¶ All JMeter plugins (even custom ones) are supported using Generic Actions. 2. Above code will iterate all the JMeter Properties, look for the ones starting with prop_ and convert them to JMeter Variables which you can use in the ForEach Controller. , its dynamic) I used ForEach controller, but requests are going sequentially. It proves that even though the stage IF controller evaluates to false - jmeter still runs the user defined variable under the stage IF controller (wtf) So it seems that even though only one of the if branches runs jmeter still evaluates all user defined variable regardless of where they are placed in the tree. If you want only one sampler executed randomly ( per iteration) you can use the random controller. Samplers are a must to add component to a test plan as only it can let JMeter know what type of request need to go to a server. It seems that the JSF ViewState value is getting hard-coded when I record the requests due to which when. : -1 But if I use ForEach controller to pass custID, It creates multiple requests - total number of custID_matchNr. But the problem is, when using a thread count > 1, the json-files are processed multiple times. Then, we have result: Common elements in JMeter. Transaction Controller: measures the overall time taken to finish a test execution; Include Controller: is designed to use an external test plan. Sorted by: 1. Thread Groups is a collection of Threads. 2. The better way is to use a Loop Controller and a Counter. Using Java Request Sampler inside a ForEach controller in Jmeter. 1. You should have the following variables in order to make ForEach Controller work: names_1=dentist names_2=ortho names_3=cardio. JMeter MD5Hex Assertion. If you have more threads than the number of. foreach controller configured as : Input variable : arrVehicles start index : 0 output variable name : vehicleN groovy; jmeter; jsr223; post-processor; Share. Object. but my ForEach controller is not even getting hit(not listed in View Results tree) and i can't able to see any info regarding that in my console. Add a Loop Controller and set the “Loop Count” to 5. In foreach controller I am using URL variable which works fine and iterate through all the results from previous response. Put the. Transaction Controller. Class ForeachController. edit: My whole logic is like this:. Actually, Constant Throughput Timer can only pause the threads to reach specified "Target. 7818° E And you want to iterate them both using ForEach Controller. If you want anything under this controller to be applicable for 1st user only set the following condition: ${__threadNum}==1 ForEach Controller 1Put the sampler(s) you need under the ForEach Controller; Refer the "GROUPIDENTIFIER" value as ${current_edit} where required. id; That's it, you can reference each consecutive ID as ${id} in the request(s) which will be the children of the ForEach Controller: Another example: Using Regular Expressions in JMeter2a) Fetch each record, create request object with the details and also build a map with request start time as key and request object as value. Votes in Bugzilla: 1 OS: AllThe following Example Demonstrates the Random controller and Random Order Controller : The first step is to open the JMeter and add the Thread Group to the Test Plan. e I want some thing like 'ORD=All' similar to Load Runner. is it possible to access different groups using output variable of ForEach controller?. Then you can configure ForEach Controllers to consume var prefix and store the output into ${current_var} JMeter Variable: That's it, the ForEach Controller will iterate the created variables: Be aware that starting from JMeter 3. This is working correctly. country_1=PL; country_2=PT;. $ {counter}<3 and i have counter (name {counter}, just. List; import java. When JMeter executes this Pre-Processor element, it stores the values in the variables which can be referenced by any Samplers within the same thread group. Now let’s implement the same scenario using a single HTTP Request run via parameterized iterations. May 8, 2019 at 4:20 Can you please describe the problem? From the log you posted it seems the regex is matching against strings at least 12 times. Use ForEach Controller. csv is being correctly populated it should be fine to read CSV data. I have JSON Request where multiple products nodes returns from there I am using product SKU inside the for each. Jmeter postProcessor to be executed only once after all the requests are complete. services. horizontally insert all the data. I want to execute request per id so I use ForEach Controller. 5. I have a User Defined Variable numberOfUsers in my test plan. The input should consist of several variables, each extended with an underscore. Improve this answer. It is not very possible to reset the counter value using JMeter Variables because the value it's being managed by the Counter internally so if you really need to reset the counter value you will have to use Reflection API for accessing and setting the value of the given property. Listeners, may be placed directly under the test plan, in which case they will apply to all the thread groups. Recording Tests Using JMeter. Samplers are a must. For each thread, the variable will be assigned one of the values from the series in sequence. So HTTP Cookie Manager is only replacing the first var. This if controller is inside a foreach controller. JMeter:逻辑控制器_ForEach控制器(ForEach Controller). Or Use Script Text and check Cache compiled script if available property. 5 price_2=60 The id you can get from the ForEach Controller configured like: And refer it as ${id} under the ForEach Controller. With regards to "bar_" - you can play the following trick with __V() function:There are two kinds of functions: user-defined static values (or variables), and built-in functions. apache. Dmitri T.