Postcall in Service task

BPMN & Modeling Discussion & Questions
1

I tried making a get call via the bpmn model, and it was successful. Now, I want to make a post call instead. I set the following input parameters:
URL, headers, method, payload.
I want to know how to send the parameters of a post call, and also on how to read the response.

  1. What format does “payload” have to be in, “text” or “javascript”? Do I send it as JSON?
  2. What are the output parameters to be used? What would the script in the output parameter be?
2

Hi Shrisha,

What tool are you using? Could you share a screenshot of what you’re trying to achieve?

1 Like
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Hey,
I am using Camunda Modeler.
I want to know how to send the parameters of a post call, and also on how to read the response!
basically, the contents of “payload” and “bodyresponse”.

Capture
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4

Hi Shrisha,

Thanks for clarifying!

Here’s a blog post with a section halfway through on making requests via the Camunda Connector which may answer your questions.

Let me know if there is anything that is still unclear.

Best,
Gustavo

5

Hey, thanks. I had already read the blog post before posting my query here. The blog post talks about retrieving variables from the database. But, in my case, I don’t have any database so I want to send the payload data from the bpmn itself.
Hence, want to know what goes into “payload”.

Thanks,
Shrisha

6

Not sure if I understand you correctly. Could you elaborate more on your use case? Please tell us what is the goal that you want to achieve.

7

Thanks for the reply.
Basically, I want to make a post call via a service task. I want to send the contents of a process variable as the payload of the post call.

Thanks,
Shrisha.

8

Then the format of the payload depends on what your server expects. If it’s JSON, set the correct header (Content-Type: application/json) and use JSON for the payload. You can access the process variables in a script as shown in the blog post, so a script might be the preferable type of the input payload property.

9

Thanks for the prompt reply.:grinning:
The server expects “application/x-www-form-urlencoded” content, so have set it respectively.
As shown in the screenshot, I want to send these four fields as the payload of the post call. How do I do it?1

10

Please refer to MDN guide on POST to learn about how to prepare a form payload :slight_smile:.

11

Thanks a lot, finally got it working

1 Like
12

Sorry, but I need one last help.

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The first post call{access token service task} returns a value(a bearer token) which is stored in a process variable. Now, I want to send the same value as “authorization” in the next post call{app create service task} made. How to I set it in the service task headers?
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13

Have you tried to script the variable (${auth})?

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