Unable to extract Form param

[API-Evangelist]

Problem:

Unable to extract form params using below.

eg:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?><ExtractVariables async="false" continueOnError="false" enabled="true" name="Extract-FormData">  <DisplayName>Extract-FormData</DisplayName>  <FormParam name="appKey">  <Pattern>{appkey}</Pattern>  </FormParam>  <FormParam name="userName">  <Pattern>{usr}</Pattern>  </FormParam>  <FormParam name="password">  <Pattern>{pwd}</Pattern>  </FormParam>  <IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>  <Source clearPayload="false">request</Source></ExtractVariables>

Tested using post man with below input & it doesn't extracts the form params.

input:

header:

Content-Type : application/x-www-form-urlencoded

appKey: abc

userName: 123

password: test1

Please suggest.

Attached sample.

[anilsr · Accepted solution]

@vinay poreddy ,

You need to use "x-www-form-urlencoded" instead of form-data.

Javascript Policy,

 print(context.getVariable("request.formparam.abc"))

Will print "123" to the trace output from all transactions,

Find more about form-data vs x-www-form-urlencoded here.

[ssvaidyanathan]

HI @vinay poreddy

You do not need to extract the form variables with a policy, they are available directly as flow variables. For example request.formparam.userName

You can use this directly in your AssignMessage policy

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<AssignMessage async="false" continueOnError="false" enabled="true" name="Assign-Credentials">
    <DisplayName>Assign-Credentials</DisplayName>
    <Properties/>
    <Set>
        <FormParams>
            <FormParam name="appKey">{request.formname.appKey}</FormParam>
            <FormParam name="userName">{request.formparam.userName}</FormParam>
            <FormParam name="password">{request.formparam.password}</FormParam>
        </FormParams>
        <Verb>POST</Verb>
    </Set>
    <IgnoreUnresolvedVariables>true</IgnoreUnresolvedVariables>
    <AssignTo createNew="false" transport="http" type="request"/>
</AssignMessage>

Hope this helps

[API-Evangelist]

Tried the suggestion but didn't work.Can you share the postman & trace snapshot if you can?

-Vinay

[API-Evangelist]

@Sai Saran Vaidyanathan

Below are the snapshots.

[API-Evangelist]

postman.jpegreq.jpegtrace.jpeg

Attached snapshots..Please suggest.

[ssvaidyanathan]

As @Anil Sagar and @AMAR DEVEGOWDA mentioned, please try it out and let us know.

If it worked, please accept the answer

[anilsr · Accepted solution]

@vinay poreddy ,

You need to use "x-www-form-urlencoded" instead of form-data.

Javascript Policy,

 print(context.getVariable("request.formparam.abc"))

Will print "123" to the trace output from all transactions,

Find more about form-data vs x-www-form-urlencoded here.

[adevegowda · Accepted solution]

Dear @vinay poreddy,

@Anil Sagar is right, you need to use the Content-Type as "x-www-form-urlencoded" while making your calls in Postman to send the form parameters.

If you are using curl command then you can run it as follows:

curl -v -X POST -H "Content-Type: application/x-www-form-urlencoded" -d "appKey=abc&userName=123&password=test1" "<URL>"

In my Javascript I added the following code to print the form parameters:

print("appKey = " + context.getVariable("request.formparam.appKey"));
print("userName = " + context.getVariable("request.formparam.userName"));
print("password = " + context.getVariable("request.formparam.password"));

I tried the above in my org and it printed the values as shown below:

appKey = abc
userName = 123
password = test1

Regards,

Amar