{"id":31330,"date":"2018-04-21T15:47:45","date_gmt":"2018-04-21T15:47:45","guid":{"rendered":"https:\/\/ampscript.guide\/not-operator\/"},"modified":"2021-06-19T20:27:42","modified_gmt":"2021-06-19T20:27:42","slug":"not-operator","status":"publish","type":"post","link":"https:\/\/ampscript.guide\/not-operator\/","title":{"rendered":"Not Operator"},"content":{"rendered":"<h2>Not Operator<\/h2>\n<p>A <code>not<\/code> operator can be used to reverse the logic of a Boolean evaluation.<\/p>\n<h3>Example 1<\/h3>\n<pre><code>%%[\n\nvar @statusTier, @amount, @freeShipping\nset @statusTier = \"Gold\"\nset @amount = 125\n\nif @statusTier == \"Gold\" and not @amount &gt; 100 then\n  set @freeShipping = true\nendif\n\n]%%\n\n&lt;p&gt;You %%=Iif(@freeShipping == true, \"qualify\",\"do not qualify\")=%% for free shipping.&lt;\/p&gt;<\/code><\/pre>\n<h4>Output<\/h4>\n<p>In the above example, the logic evaluation of the second expression is reversed, so the following output will be displayed:<\/p>\n<pre><code>&lt;p&gt;You do not qualify for free shipping.&lt;\/p&gt;<\/code><\/pre>\n<h3>Example 2<\/h3>\n<p>The <code>not<\/code> operator can also be used to reverse the evaluation of an AMPscript function:<\/p>\n<pre><code>&lt;p&gt;Dear %%=Iif(not Empty(FirstName), FirstName, \"Member\")=%%,&lt;\/p&gt;<\/code><\/pre>\n<h4>Output<\/h4>\n<p>In this example, if the &#8216;FirstName&#8217; attribute is not empty, then the attribute will be displayed; otherwise the constant value &#8216;Member&#8217; will be displayed:<\/p>\n<pre><code>&lt;p&gt;Dear Member,&lt;\/p&gt;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Not Operator A not operator can be used to reverse the logic of a Boolean evaluation. Example 1 %%[ var @statusTier, @amount, @freeShipping set @statusTier = &#8220;Gold&#8221; set @amount = 125 if @statusTier == &#8220;Gold&#8221; and not @amount &gt; 100 then set @freeShipping = true endif ]%% &lt;p&gt;You %%=Iif(@freeShipping == true, &#8220;qualify&#8221;,&#8221;do not qualify&#8221;)=%% for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v14.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The AMPscript Guide - Not Operator<\/title>\n<meta name=\"robots\" content=\"index, follow\" \/>\n<meta name=\"googlebot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta name=\"bingbot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ampscript.guide\/not-operator\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The AMPscript Guide - Not Operator\" \/>\n<meta property=\"og:description\" content=\"Not Operator A not operator can be used to reverse the logic of a Boolean evaluation. 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