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<title>MultiChain Developer Q&amp;A - Recent questions tagged variables</title>
<link>https://www.multichain.com/qa/tag/variables</link>
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<title>Can stream filters write something to the blockchain or modify the stream item?</title>
<link>https://www.multichain.com/qa/33742/stream-filters-write-something-blockchain-modify-stream-item</link>
<description>&lt;p&gt;Hello,&lt;/p&gt;&lt;p&gt;let's suppose I'm publishing some JSON to a MultiChain stream and I want to either&lt;/p&gt;&lt;p&gt;1) publish the object with some modifications (e.g., add\remove a key, edit a value, etc.)&lt;/p&gt;&lt;p style=&quot;text-align:center&quot;&gt;or&lt;/p&gt;&lt;p&gt;2) publish (or not) the object as it is, but create\update a blockchain variable&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Is this possible?&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Thank you!&lt;/p&gt;</description>
<guid isPermaLink="true">https://www.multichain.com/qa/33742/stream-filters-write-something-blockchain-modify-stream-item</guid>
<pubDate>Thu, 17 Jun 2021 10:23:31 +0000</pubDate>
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