topic Usng data from a flow link in tSystem in Talend Studio https://community.qlik.com/t5/Talend-Studio/Usng-data-from-a-flow-link-in-tSystem/m-p/2230836#M21337 <P>I want to execute a shell command once per data row, how can I use data from the incoming flow link in a tSystem? I have tried writing it to the globalMap but it comes out as null.</P> Wed, 30 Jan 2019 17:13:38 GMT PhilHibbs 2019-01-30T17:13:38Z Usng data from a flow link in tSystem https://community.qlik.com/t5/Talend-Studio/Usng-data-from-a-flow-link-in-tSystem/m-p/2230836#M21337 <P>I want to execute a shell command once per data row, how can I use data from the incoming flow link in a tSystem? I have tried writing it to the globalMap but it comes out as null.</P> Wed, 30 Jan 2019 17:13:38 GMT https://community.qlik.com/t5/Talend-Studio/Usng-data-from-a-flow-link-in-tSystem/m-p/2230836#M21337 PhilHibbs 2019-01-30T17:13:38Z Re: Usng data from a flow link in tSystem https://community.qlik.com/t5/Talend-Studio/Usng-data-from-a-flow-link-in-tSystem/m-p/2230837#M21338 Ah, tFlowToIterate is my answer! Wed, 30 Jan 2019 17:16:12 GMT https://community.qlik.com/t5/Talend-Studio/Usng-data-from-a-flow-link-in-tSystem/m-p/2230837#M21338 PhilHibbs 2019-01-30T17:16:12Z