{"id":31666,"date":"2018-04-21T15:47:49","date_gmt":"2018-04-21T15:47:49","guid":{"rendered":"https:\/\/ampscript.guide\/empty\/"},"modified":"2021-04-06T00:58:52","modified_gmt":"2021-04-06T00:58:52","slug":"empty","status":"publish","type":"post","link":"https:\/\/ampscript.guide\/empty\/","title":{"rendered":"Empty"},"content":{"rendered":"<h2>Empty<\/h2>\n<p>This function provides a conditional evaluation of an expression. If the expression evaluates as <code>null<\/code> or empty, the function will output <code>true<\/code>, otherwise it will output <code>false<\/code>.<\/p>\n<h3>Argument<\/h3>\n<p><code>Empty(1)<\/code><\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center\">Ordinal<\/th>\n<th style=\"text-align: left\">Type<\/th>\n<th style=\"text-align: left\">Required<\/th>\n<th style=\"text-align: left\">Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center\">1<\/td>\n<td style=\"text-align: left\">String<\/td>\n<td style=\"text-align: left\">True<\/td>\n<td style=\"text-align: left\">An attribute, variable or nested function to evaluate<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Example<\/h3>\n<p>The following example evaluates the MemberId attribute. If the attribute field is empty, then the function will evaluate to <code>true<\/code>.<\/p>\n<pre><code>%%[\n\nvar @memberId, @nonMember\n\nset @memberId = MemberId\n\nif empty(@memberId) then\n  set @displayMemberId = \"You are not a member\"\nelse\n  set @displayMemberId = Concat(\"Your member id is \",@memberId)\nendif\n\n]%%\n&lt;p&gt;%%=v(@displayMemberId)=%%.&lt;\/p&gt;<\/code><\/pre>\n<h4>Output<\/h4>\n<p>For records without a MemberId attribute value, the following string will be displayed.<\/p>\n<pre><code>&lt;p&gt;You are not a member&lt;\/p&gt;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Empty This function provides a conditional evaluation of an expression. If the expression evaluates as null or empty, the function will output true, otherwise it will output false. Argument Empty(1) Ordinal Type Required Description 1 String True An attribute, variable or nested function to evaluate Example The following example evaluates the MemberId attribute. If the [&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 - Empty<\/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\/empty\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The AMPscript Guide - Empty\" \/>\n<meta property=\"og:description\" content=\"Empty This function provides a conditional evaluation of an expression. If the expression evaluates as null or empty, the function will output true, otherwise it will output false. Argument Empty(1) Ordinal Type Required Description 1 String True An attribute, variable or nested function to evaluate Example The following example evaluates the MemberId attribute. If the [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ampscript.guide\/empty\/\" \/>\n<meta property=\"og:site_name\" content=\"The AMPscript Guide\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-21T15:47:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-04-06T00:58:52+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/ampscript.guide\/#website\",\"url\":\"https:\/\/ampscript.guide\/\",\"name\":\"The AMPscript Guide\",\"description\":\"The Definitive Scripting Manual for Salesforce Marketing Cloud\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/ampscript.guide\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ampscript.guide\/empty\/#webpage\",\"url\":\"https:\/\/ampscript.guide\/empty\/\",\"name\":\"The AMPscript Guide - Empty\",\"isPartOf\":{\"@id\":\"https:\/\/ampscript.guide\/#website\"},\"datePublished\":\"2018-04-21T15:47:49+00:00\",\"dateModified\":\"2021-04-06T00:58:52+00:00\",\"author\":{\"@id\":\"https:\/\/ampscript.guide\/#\/schema\/person\/5335042f77731e84f9808aecef25daec\"},\"breadcrumb\":{\"@id\":\"https:\/\/ampscript.guide\/empty\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/ampscript.guide\/empty\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/ampscript.guide\/empty\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ampscript.guide\/\",\"url\":\"https:\/\/ampscript.guide\/\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ampscript.guide\/empty\/\",\"url\":\"https:\/\/ampscript.guide\/empty\/\",\"name\":\"Empty\"}}]},{\"@type\":[\"Person\"],\"@id\":\"https:\/\/ampscript.guide\/#\/schema\/person\/5335042f77731e84f9808aecef25daec\",\"name\":\"dev\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","_links":{"self":[{"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/posts\/31666"}],"collection":[{"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/comments?post=31666"}],"version-history":[{"count":0,"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/posts\/31666\/revisions"}],"wp:attachment":[{"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/media?parent=31666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/categories?post=31666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ampscript.guide\/wp-json\/wp\/v2\/tags?post=31666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}