Matt, Thanks a lot for your explain, your time and recommendation. I applied in my flow the processor MergeContent and I could resolve my problem. With this processor, the 3rd process dosent run and waits until the first boths has fineshed and it was the main idea of my question.   One more time, Thanks   Pepe ... View more

Thank for you answer.  I am going to try to answer for each question. - The 2 firts processes get information of different source that the 3rd take to analize and to make another operations - The 2 firts processes recieve the same input on the same time for example ID client. I dont understand your next question. - Yes, exactly - Yes. - No. - The 1st and 2st processes make different task and they are in the different process group and like I said they recieve the same input and their output is the input of 3rd process. The process begin with of read of file that it containts the id of clients.   Maybe you have some example or flow about the fragment that I can follow it and how I can configurate it   Thanks a lot. ... View more

Hi MattWho I send the image of my configuration. You can see on the final of my configuration that I am trying to use to new atrribute and to assing it the value ${invokehttp.status.code} but it dosent work too. My version NiFi is 1.16.3   ... View more