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    <title>question Re: Apache Nifi - How do I change a value of a window variable during my workflow? in Support Questions</title>
    <link>https://community.cloudera.com/t5/Support-Questions/Apache-Nifi-How-do-I-change-a-value-of-a-window-variable/m-p/239026#M200837</link>
    <description>&lt;P&gt;Matt, I mean a group variable. In my flow, I need to save the value of an attribute at the beginning of the stream to reuse it from the middle of the stream in processor ReplaceText, after a GetMongo processor, however, after I create the variable I can not update the value of that variable. I also tried to save the content of this attribute in state value, however, I can not retrieve it later. Look at this example in the attached image. Thank you!&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="95410-example.png" style="width: 916px;"&gt;&lt;img src="https://community.cloudera.com/t5/image/serverpage/image-id/14010i67CCD743CF6BBF10/image-size/medium?v=v2&amp;amp;px=400" role="button" title="95410-example.png" alt="95410-example.png" /&gt;&lt;/span&gt;&lt;/P&gt;</description>
    <pubDate>Sat, 17 Aug 2019 22:48:15 GMT</pubDate>
    <dc:creator>gazeta_julio</dc:creator>
    <dc:date>2019-08-17T22:48:15Z</dc:date>
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