On the site home page we have a process start form.In the start form,we have a!startprocesslink .
When you click on that link,it is updating the url with parameters.How do we get the parameters dynamically changed and can we create an active task if we have the active task id
url looks like "url of site/start-process/iY.............?parameters=c6f5d46d...........
Any inputs would be helpful
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I am not following your question very well.
If you are using a process start form then why would you need to use a process start link. Your already set up to have a process. You could just submit the form and pass out the ri into the model to do whatever you need to do next.
If you need to have a process start link then you just use the process parameters to pass in what you need.
I dont quite understand the issue your having with the url. Do you need the url to not change? Most of what we do in Appian does not need to rely on a url.
About your question regarding the task id. I do not think it is possible to force a new task id to use a number that you already have. Are you asking if you can make this link direct the user to an active task. If so then you need to use a task link not a process start link.
Here is a discussion thread related to starting process with parameters which might be helpful
https://community.appian.com/discussions/f/general/13309/start-a-process-in-a-new-broswer