How To Pass Parameters In Soap Request

This property contains the comma separated parameters that we are expecting in request. Content() or to request a specific Content-Type. It doesn't have to be request parameters that is sent in the HTTP request body. Spring MVC provides support for customizing the URL in order to get data. A request URI can be modified multiple times during request processing through the use of the rewrite directive, which has one optional and two required parameters. HTTP response status codes indicate whether a specific HTTP request has been successfully completed. ajax() method to call a server side resource and pass web storage data as a part of that Ajax call. The parameters in query strings are received by DataPages just like how parameters are passed through Caspio Bridge. SOAP Request Flow Image Courtesy : java-forums. This is a collection of curl scripts to simulate GET, POST, DELETE, and PUT request (method) calls to test RESTful web services. In this snippet, Vishal demonstrates how to throw and handle exceptions in Web services. Search Posts, Articles, Marketplace, Documentation, People and More Loading. How to pass XML string as a parameter to XMLHttpRequest in Soap body (web service call) posting these. Let's have a look at both. Pass Data to the Web Service. If you are using a WSDL, then give the path to the WSDL as the URL. ” like described here. There are two methods in the API that give you access to all the call parameters: submit. Could someone give me an example of how to achieve this in VB please?. Calling Web Service Using SOAP Request without WSDL And EndPoints Filed Under: ASP. You can also achieve the same results using Ajax. The success callback function is passed the returned data, which will be an XML root element or a text string depending on the MIME type of the response. com and acquire a valid session token. Create a file with the below content named “request. In this example, the addItems is the SOAP operation that contains the amount and item values, which are passed as parameters to the soapAddItemFunction function. Can any one tell me the mistake i have done. VER11, which tells the kSOAP library that we'll be using SOAP 1. In which Patrick Index casts a jaundiced eye on SSIS, and decides that, for all its faults, it has a number of uses as an ETL tool. Using service calls with SOAP response/request, you can execute Content Server services in a SOAP request. To generate correct Credentials Header in SOAP Request use tool like SoapUI. Build Json request same like XML request using web_custom_request function. In the parameters option, click on (+) sign to add a new parameter. Consider the following, and add other factors as required for the product or assembly to meet the needs of the specification. – clears all parameter values. SOAP is used to provide a user interface that can be accessed by the client object, and the request that it sends goes to the server, which can be accessed using the server object. The report works properly from ireport and when being run from jasper server. I’m testing a new site right now and part of my process required load testing of the “add to cart” functionality. The constructors accept a parameter called assemblyFormat of the FormatterAssemblyStyle that maps to the AssemblyFormat property. For all optional data elements if we don't have values available we don't pass that element in the SOAP request payload and things work fine but for some specific use cases which we cannot control these elements are being passed something like this. Don’t over look Cmd. SOAP Request Flow Image Courtesy : java-forums. I want to pass parameters in the rest service. I wonder if the is a way to pass this parameter to the attached xml file ? or if there is another ways to do the. Response type json. I have implemented this requirement as SOAP web service. In the real world, many values of your REST / SOAP API call may be coming from Parameters. When I tried send SOAP Request, The SOAP Request was changing < to < and > to > respectively. 0 C# without using the WSDL or proxy classes Home Uncategorized How to call a SOAP web service in. Reading the docs more carefully, it turns out I can use a parameter file and parameters. This step-by-step article describes how to pass the user's current credentials to an XML Web service that was created by using ASP. Right-click the Web service request and select Add URL QueryString Parameter. Sometimes developers must have full control of how data is returned from a service operation. By using the property set on the page which the SQL executing. Testing our Soap Request. Reading the docs more carefully, it turns out I can use a parameter file and parameters. I wonder if the is a way to pass this parameter to the attached xml file ? or if there is another ways to do the. You can force the REST API to treat input values as display values by passing the sysparm_input_display_value request parameter. open("GET", "xmlhttp_info. You can probably guess by now what the interface will look like in the implicit header case. On PI, I specified the URL for the WS in a SOAP-oriented Communication Channel. Hi there I am not too sure how to explain this but here goes I have a Web Service and I need to pass an XML page in the form of a string to a web service. This communication requires that the user's device is online (connected to the internet). How to pass input parameters to a Java Web Service If any web service operation is looking for an argument/arguments to complete its process then the user need to pass valid input parameters based on its type (Example : String , int ). Server Actions. In this space, you find conceptual articles, how-to guides, a glossary, and useful links to further SAP documentation. 1 Sending a Collection of MIME Attachments (SwA. make sure you pass the user credentials in SOAP UI, that has access to IIS/BIZTALK By the by, you after all wanted to test your application and you were able to get the response from your console application, then why are you struggling with tools like Soap UI etc. open("GET", "ajax_test. It's FREE too :) WCF Code and. Invoking a Call to Request a Service with Parameters. Use that information to fill in the Response in the Body tab by clicking Copy to Response body in the Response area. Authentication. Does anyone have a sample on how to get international unicode characters from a a form input field/servlet parameter into a string and from a java string into a form input or text field? Answer: If the request. SOAP stands for Simple Object Access Protocol, a protocol to exchange information in XML format between two applications over HTTP. load testing with SOAP request having variable parameter(s) At times there could be requirement of Load Testing a Web Service following different strategies based on the requirement. For a list of available services and the required parameters, see the Oracle WebCenter Content Services Reference Guide. The ElementPath tag should help you get the fields and attributs that you need from the WS response (in my Web Service the request and response use the same XML structure). Check this article to learn more. I am new to soap and web services. PLAIN Parameters. Add View Results Tree, and run script. Following method handles the http request. Once the Uri Parse is finished, Web API OData will try to find the corresponding OData controller and action. As you can see, the above code can be used to issue a manual SOAP-based request using a standard WebRequest C# class: to emphasize the fact that this is an home-cooked, emergency-level code, we also chose to go with manually (un)typed XML blocks, avoiding XMLDocument, XmlWriter, System. Learn how to do just about everything at eHow. Invoke-WebRequest creates the session and saves it in the variable. A good Solution is to pass additional parameters in SOAP headers utilizing with the help of Custom headers in WCF. Rather than using the business operation class that the SOAP wizard generates, you can create your own class. The list of IDs, whether contained in the presentation map or in the response to a Sonos getMetadata request on the "search" ID, should be identical. PERL VERSION WARNING. Query parameters. 8k Views · Dino edited · Jan 09, 2017 at 08:38 PM. I know how to set input values for simple type. So wat statement shud i use for this ? like we use ${Property_name#variable+_name} when passed from properties. You can use it to share state and data among web requests. A potentially dangerous Request. It retrieves a WSDL (Web Services Definition Language) from a given URL and generates classes to send SOAP requests to the functions exposed by the specified SOAP server. You can use this parameter multiple times with append="true" in the Assign statement. For a normal webservice call, why would you need to use mapping parameters, when you can pass values directly as a part of SOAP request? If it is a regular workflow, which has mapping parameters and you want to invoke this workflow using a batch webservice, then, Yes, you can pass mapping parameters. how to pass request parameter to connect soap when request data type is XML literal Hi, I want to pass the parameter to a soap connector when the request data type is XML Literal, I have created the connector but dont know how to pass the value to it when using a connect-soap method in an activity. Pass parameter in soap request then loop, SoapUI Free + Groovy Hi. When I pass parameters using response. Conditionally remap a parameter based on its contents or the contents of some other parameter. value at a specified point during the test run and stores it in a column in the. SOAP Extensibility API Enables you to modify the SOAP connection, request and/or response message in an extension. For this click again on the PreFlow on the left and select the “Assign Message” Policy on the right. We recommend that you review this section regardless of which API you plan to use. This article explains how to pass information to the web service the LiveTile uses to get its contents. Soap Communication with a Webservice(Request and Response). There are two methods in the API that give you access to all the call parameters: submit. An Angular port of a JavaScript SOAP Client into a factory that has a similar syntax to An object of parameters to pass to the service { name. What i need is an object such as a student object or an employee object as the input parameter for the webservice method like the given below,. You can use this parameter multiple times with append="true" in the Assign statement. I have implemented this requirement as SOAP web service. This is a collection of curl scripts to simulate GET, POST, DELETE, and PUT request (method) calls to test RESTful web services. Hey guys, I've posted a question on here before but I don't think I was very direct about the problem so I'll state it in a new way:. Calling Web Service Using SOAP Request without WSDL And EndPoints Filed Under: ASP. The majority of the modern day integration happens over web service built either using REST/JSON, SOAP/XML over HTTP. Provides workarounds. Net using HTTP Get method. The null parameter indicates that no body content is needed for the GET request. But say if there are fields in the SOAP request which are supposed to be unique for every request that hits the service while load testing…really this could be. ContentEncoding will take care both of the charset parameter in the HTTP Content-Type as well as of the actual encoding of the document sent out (which of course have to be the same). Method call and its parameters are transformed to SOAP body whereas SOAP header usually contains application-specific information (like authentication etc. Before you attempt the callout, open the Developer Console. Refresh Schema: Refreshes the schema from the given lo= cation URL and reparses it. The constructors accept a StreamingContext parameter called context that maps to the Context property. Now i wanna pass this value to Request. a username and password, a session-id, an api-key etc. Test SOAP API using SoapUI Tool (Change Default XML Body / Parameters, Execute and See Response) Create DSN using ZappySys XML Driver to call SOAP API. You specify the parameters in the Parameters table on the Web Services page of the Properties window for your project or in the Deploy Web Service wizard. How to send xml and json parameter as request in postman api tool for testing #2878. PERL VERSION WARNING. I will cover the NVP approach, which I prefer to SOAP’s relatively verbose and complex syntax. com There are many service available today such as WCF , REST , Web API etc but still Web Service playing very important role in cross platform application communication such as may be you are using SAP web service to. Lots of developers use Postman for making HTTP SOAP requests. How do I "easily" insert variables into JSON Payloads? Export to PDF pbhogill created · Apr 03, 2015 at 09:39 PM · 28. Ensure the Callouts is set to INFO (or a lower level). Hi Vijlnd, is there any specific reason why you want to call a web service using CL_HTTP_CLIENT? Instead of manually crafting the XML and the request it would be much easier to use the web service infrastructure provide by ABAP and NW. You can then use the wsdl2java utility to generate the Java stub code from the WSDL contract. Query parameters; Form parameters; Source IP address; HTTP message body; In a normal flow, once the request has been processed, the proxy then sends the transformed request to the target. //write the soap envelope to request stream We are passing. For years, we facilitated this through a SOAP interface called FEDSRF, which we plan to start retiring in 2014. How do i pass in a parameter. While many pages on the Internet provide their information directly when you access a web page, many others are not so simple. It's been most popular for gaining shell access to remote computers, especially over dial-up lines in the old days, but you can also use it to submit commands to a web server if you can speak a little of the web server's. After adding the information like the method and parameter values, the SOAP envelope is like below. during the test run and entered in the run-time Data Table for use at another. The user ID and password you need to pass with the request are the same you use for logging in as a premium user. how i can pass soap request message to server using http request header? the soap message contains remote procedure call which invokes the method at serverside? and where i have to write that header request? so i dont know how to pass the request soap message document [addsoaprequest. Passing Data from Web Storage to the Server Using Hidden Form Field Now let's see how web storage data can be transmitted to the server using a full page postback and a hidden field. Logging requests and responses. The Call Web Service action allows the workflow to make a call to a SOAP web service method. To use this you have to create a SOAP message and then parse the response and retrieve the updated token. How to Parse a Query string Array Parameter using a SOAP proxy of passing parameters from the REST GET and I have got this running ok to the Query Parameter. – Matthew Sep 25 '15 at 14:17 @Matthew: So I should pass username and password to the server every time I make a request?. In the real world, many values of your REST / SOAP API call may be coming from Parameters. I will cover the NVP approach, which I prefer to SOAP’s relatively verbose and complex syntax. I have implemented this requirement as SOAP web service. This property contains the comma separated parameters that we are expecting in request. I credit Twitter's epic rise to the availability of a simple but rich API. This bit of information represents the intent of the SOAP request and often can be used by the Firewall to determine if the requested service and the intent to deal with the service can be authorized. This is identical to the FormatterAssemblyStyle mechanism in binary or SOAP serialization. Create Request If am not passing nay parameter to my webmethod that time o/p is comming write. How to set SOAP header for outbound web service call. setSOAPRequest. Each of the API methods has different parameters, but they all share some basic parameters , which are used to identify the API account and sign the transaction. See the below java web service simple example , we used Eclipse IDE and Glassfish server for execution. If the request is asynchronous (which is the default), this method returns as soon as the request is sent. Creating properties to transfer values: Properties can be used to store data. Suppose I've a web service method like the following: _ Public Function myBooleanTest(id As Integer) As Boolean Return True End Function -----I want to pass parameter to web service method. Set the request method to POST. request_object. The following sample code procedure, a copy of which is attached to this article, posts a request to a Web server URL and waits for its reply. Assign the query string parameter a name and value. The first parameter (or argument) to setcookie() is the name that you want to give the cookie. Byte array) as parameter in a soap. How to call asp. by Derek Du. SOAP::Lite 0. Invoking a Call to Request a Service with Parameters. i'll take a serious look at this after v0. View this message in context: http://old. I now wanted to modify the datastore to pass parameters to the service. setRequestHeader( Name, Value ) The first parameter of this method is the text string name of the header. Path value was detected from the client (:). overrideMimeType() Overrides the MIME type returned by the server. Hi All, We are using Connect-SOAP to communicate with an external service provider. These can be added when creating the TestStep, or later in the editor. If you create a calculated field that has all of the text of the XML request payload, then you can inject your dates in that and use the field as the payload rather than the static payload you have shown above. By using this Web Service, you accept and agree to be bound by the tramTRACKER ® PIDS Web Service terms & conditions. Call pass through to soap web service When i use the following code (See below), i can get datas. The constructors accept a StreamingContext parameter called context that maps to the Context property. How can I achieve this?. How to extract data from SOAP-request in SOAP UI And I'm trying to pass value from SOAP-request to mock responce with the following script: parameter value. To use a custom cookie store (such as a FileCookieStore which supports saving to and restoring from JSON files), pass it as a parameter to request. A number of these teams are maintaining legacy codebases, work with large enterprise customers who rely on SOAP, or have strict security requirements that are not satisfied by newer technologies. A SOAP message may travel from a sender to a receiver by passing different endpoints along the message path. Summary: This post is an excerpt from the Scala Cookbook, partially modified for the internet. But say if there are fields in the SOAP request which are supposed to be unique for every request that hits the service while load testing…really this could be. I quickly noticed that it is not working if the web service comes from another NAV Database (maybe, due to SOAP version used natively by NAV). 1) Create a connect-SOAP to call external service with request parameter as country name and response as list of cities. The solution is found by minimizing a chi-squared function via the Levenberg-Marquardt algorithm. The Pass-Through Proxy option lets you to create a proxy that passes the SOAP message in a request to the backend service "untouched", making it very easy to create a proxy for a SOAP-based web service. On PI, I specified the URL for the WS in a SOAP-oriented Communication Channel. current row of the run-time Data Table. In a system like REST, you can only pass a single set of arguments - the query parameters and URL segments in your request. Usually, parameters are accessed from a request in an already decoded format (via request. Next you’ll need to prepare the request itself. Using Zeep to make SOAP requests in Python. You might be a Procedure guy if you feel you must encode XML in order to pass it as a parameter. In this post i am going to explain about REST services testing in load runner by this How to Create a Script for a REST API in Load runner post you will get good knowledge about rest service testing. 13, “How to set HTTP headers when sending a web service request. 400 Bad Request errors appear differently on different websites, so you may see something from the short list below instead of just "400" or another simple variant like that: 400 Bad Request Bad Request. The scriptCharset allows the character set to be explicitly specified for requests that use a tag (that is, a type of script or jsonp). I have one web service which is hosted in my local IIS. The parameters are added to the list. You can probably guess by now what the interface will look like in the implicit header case. We can quickly test our SOAP request and check that we are processing whatever XML is being sent in and its coming out the other side untouched. You specify the parameters in the Parameters table on the Web Services page of the Properties window for your project or in the Deploy Web Service wizard. We set the envelope's dotNet property to true as the web service we'll be consuming runs on Microsoft's. One point : If we use post method then Query String parameter by default should be passed in request body and not in the URI. The stub code provides the supporting code. You can check "Send SOAPAction and pass action value. Sometimes you need to add a header to the SOAP message, e. How do I send null values in SOAP messages? Some requests you can make have optional parameters, which should be set to null if you are passing no value for the parameter. 10 thoughts on " TIBCO HTTP GET Tutorial: How to Receive Data in TIBCO Using HTTP GET " KD Mishra May 13, 2014. The SOAPTarget header. I have prepared an xml string using XML Stream rule and tried to pass that string as the request. How to pass parameter to SOAP request in SOAPUI. hi, I have a condition say where x = 5 in my groovy script. SOAP Extensibility API Enables you to modify the SOAP connection, request and/or response message in an extension. VER11, which tells the kSOAP library that we'll be using SOAP 1. The id and password are administrator / root. The order of the values in the array corresponds to the order of the parameters in the calling method of the derived class. A configuration file identifies the name and number of API STCs (the STC pool) available to pass requests to CA Endevor® SCM. For this click again on the PreFlow on the left and select the “Assign Message” Policy on the right. You can change the parameter type back,. Passing Data from Web Storage to the Server Using Ajax. We recommend that you review this section regardless of which API you plan to use. The data to pass or return. And before executing the request we set this entity object to the HttpPost. My web service takes in 5 fields and. To see the CALLOUT_REQUEST events in the DEBUG log you will need to be a a Developer Edition org. My problem is that I can't seem to figure out how i could use the parameters in this context. # re: Passing multiple POST parameters to Web API Controller Methods. If the browser sends an HTTP POST request, request parameters and other potential data is sent to the server in the HTTP request body. Increases the number of roundtrips required to pass a SAML message, increasing response time. Note: In the Trading API, SOAP users specify their user credentials in the SOAP header of the request. To map the request and response messages, the JMS Message ID of the request message is correlated with the JMS Correlation ID of the response message using the PI Conversation ID. Accessing variable values on the go while sending SOAP request to some service, might solve many problems at times. One of the most common is an asynchronous web request to get/post data to a service for your app. If your application requires SOAP headers that conform to a WS-Security format rather than using HTTP Basic, NTLMv1, or NTLMv2 authentication, you can configure the header directly on the Request tab. The SOAPTarget header. The request takes a string parameter, ticker symbol, and returns a float in the SOAP response. _ Public Function Insert(ByVal c As Customer) As Customer I am trying to send a soap request, by creating the request in plain XML and then will most likely use some. The Call Web Service action allows the workflow to make a call to a SOAP web service method. HTTP Request Parameters. Logging requests and responses. Here inside this method we have to pass the URL of the SOAP handler. Net using HTTP Get method. How to pass XML string as a parameter to XMLHttpRequest in Soap body (web service call) posting these. It's not possible to specify both in the integration service request, however, a workflow can be configured to use a parameter file via workflow properties and the service can pass parameters to the workflow. In either case, you need to use the ArcGIS Enterprise SDK API to unpack the incoming request, optionally modify the request parameters, and then repack the request to send to the underlying map service objects. I want to pass parameters in the rest service. Calling Web Service Using SOAP Request without WSDL And EndPoints Filed Under: ASP. So let's find out the SOAP request body which is used to pass input parameters and invoke the web service. i'll take a serious look at this after v0. The XML query language is something I know very little about. This protocol is used to create, access and consume web services. The user ID and password you need to pass with the request are the same you use for logging in as a premium user. The constructors accept a StreamingContext parameter called context that maps to the Context property. DELETE /clients/anne HTTP/1. The ColdFusion SOAP proxy is going to expect three things: An XML request body. private IDataSetParameter datePart; private IMendixObject __WereldNaam; Is there a piece of sample code that i could use to solve my problem. Note: In the Trading API, SOAP users specify their user credentials in the SOAP header of the request. How to use `curl` scripts to test RESTful web services | alvinalexander. So, I started looking around how Visual Studio generates Dlls I was used to use. 71 will be the last version of SOAP::Lite running on. This class also contains constants for accessing some well-known properties. Among several web service test tools I use, including WCFStorm, VS WCF Test Client, and other proprietary test tools, soapUI is my favorite. I think code is fine, as when i use temperature conversion service of w3schools, it works. How to call a SOAP web service in. One point : If we use post method then Query String parameter by default should be passed in request body and not in the URI. When in doubt, take a look at the WSDL and act accordingly. pass an XML string on parameter 2 since if I put the XML string directly it assumes the XML string nodes as request. By using this Web Service, you accept and agree to be bound by the tramTRACKER ® PIDS Web Service terms & conditions. If this option is disabled, the Re= fresh Schema button will also be disabled. In the Ajax technique you use the jQuery $. Method call and its parameters are transformed to SOAP body whereas SOAP header usually contains application-specific information (like authentication etc. The Promise interface in jQuery 1. This page has no tags. A SOAP request envelope generally consists of an optional header and a required body attribute. to include the. Send soap request and capture the response. The null parameter indicates that no body content is needed for the GET request. Requirements expressed as "shall" must be fully and properly met. An Angular port of a JavaScript SOAP Client into a factory that has a similar syntax to An object of parameters to pass to the service { name. Finally, we send the parameters with the request. – clears all parameter values. 71 will be the last version of SOAP::Lite running on. Can anyone suggest "How to pass null or empty values in parameter of REST service request of SOAPUI tool?" We are trying to retrive data by passing empty or null values into one of the parameters of request. If you are using a WSDL, then give the path to the WSDL as the URL. If the browser sends an HTTP POST request, request parameters and other potential data is sent to the server in the HTTP request body. scenario - I am passing [ metadata="some attributes in JSON format"] as key value pair i. If an exception has occurred due to problems in the server side (for example,. The ngx_http_upstream_module module is used to define groups of servers that can be referenced by the proxy_pass, fastcgi_pass, uwsgi_pass, scgi_pass, memcached_pass, and grpc_pass directives. POST input field parameters are I believe in the request body. If you are not using Internet Explorer or Firefox, you can pass debug parameters in the URL (or through COOKIE) in order to initiate a Debug / Profile session in Zend Studio from your browser. In which Patrick Index casts a jaundiced eye on SSIS, and decides that, for all its faults, it has a number of uses as an ETL tool. send() Sends the request. passing user id/password in SOAP request from. The Promise interface in jQuery 1. Solution : Either encode the needed XML entities or use CDATA. You can also use the DSS to pass the values to parameters at the run time. We know it says Postman "REST" client, but that doesn't mean we can't use it for making SOAP requests. One of the operations has input parameter of type 'string'. 4, it was passed the XMLHttpRequest object). The url parameter of the open() method, is an address to a file on a server: xhttp. only body/operation part of the SOAP request to pass to the Web Service. In this snippet, Vishal demonstrates how to throw and handle exceptions in Web services. Finally, we send the parameters with the request. I've requirement where I need to pass the BinarySecurityToken in the header of the SOAP request. I know how to set input values for simple type. Using the EXPORT-CLIXML and IMPORT-CLIXML gives us a better option. Step 3: Modify the actionConvert method to let it get user input from Celcius textfield and make a request to server using post method. The following step is to specify valid credentials. npm install ef-soap Module soap. Can any one tell me the mistake i have done. You can then either pass that new token for your subsequent requests,. scgi_pass passes a request to an SCGI server; memcached_pass passes a request to a memcached server; Note that in these cases, the rules for specifying addresses may be different. The Java code, it is opening up an HTTP connection, connecting through the proxy (you can comment it. But in the POST method, the data to be send will be send as the argument of the send function. html Sent from the Php - Soap mailing list archive at Nabble. How to pass XML string as a parameter to XMLHttpRequest in Soap body (web service call) posting these. The Spring MVC @RequestMapping annotation is capable of handling HTTP request methods, such as GET, PUT, POST, DELETE, and PATCH. I am new to Reporting Services and just can not find any help about it. Comments on this post: How to configure SoapUI with client certificate authentication # re: How to Install Soap UI i am new to testing and heard about this software a lot so thought of testing it by using it can you kindly tell how can i install it , because i have already downloaded it 3. how to pass xml (xml node) as input parameter in soap request. Assign the query string parameter a name and value. If your application requires SOAP headers that conform to a WS-Security format rather than using HTTP Basic, NTLMv1, or NTLMv2 authentication, you can configure the header directly on the Request tab. The query works but I have no idea how to pass in a value for the UID on the host header. Note that most SOAP servers require parameter names to be provided, in which case this must be an associative array. Add View Results Tree, and run script. Reading the docs more carefully, it turns out I can use a parameter file and parameters. Once your SOAP Request XML is ready, Click the Play button in the toolbar to execute SOAP API Request and Response will appear in Right side panel. Store values at the workspace level ("globals"), at the environment, and at the collection level. When creating an instance of the SoapSerializationEnvelope class, the SoapEnvelope version is set by passing in SoapEnvelope. Recommended articles. The values in the MultiValueMap can be any Object representing the body of the part, or an HttpEntity representing a part with body and headers. The optional message_body argument can be used to pass a message body associated with the request.