{"id":2481,"date":"2026-06-29T20:55:15","date_gmt":"2026-06-29T15:25:15","guid":{"rendered":"https:\/\/www.smsgatewaycenter.com\/blog\/?post_type=docs&#038;p=2481"},"modified":"2026-06-29T20:55:17","modified_gmt":"2026-06-29T15:25:17","password":"","slug":"what-is-the-difference-between-source-variable-and-static-text-in-fallback-mapping","status":"publish","type":"docs","link":"https:\/\/www.smsgatewaycenter.com\/blog\/kb\/what-is-the-difference-between-source-variable-and-static-text-in-fallback-mapping\/","title":{"rendered":"What is the difference between source variable and static text in Fallback mapping?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Source variable<\/strong>&nbsp;copies a dynamic value from the first channel in your sequence (e.g. the OTP sent on SMS).&nbsp;<strong>Static text<\/strong>&nbsp;inserts the same fixed words on every send, regardless of the message content.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Source variable (recommended for OTPs and personal data)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use when the WhatsApp or RCS step must show the&nbsp;<em>same<\/em>&nbsp;value the customer received on SMS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example:<\/strong>&nbsp;SMS variable holding OTP&nbsp;<code>482910<\/code>&nbsp;\u2192 map WhatsApp&nbsp;<code>{{1}}<\/code>&nbsp;to that source variable \u2192 WhatsApp shows&nbsp;<code>482910<\/code>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Static text (recommended for disclaimers and fixed lines)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use when the target channel should always include identical wording.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Example:<\/strong>&nbsp;RCS footer always says \u201cDo not share this code with anyone.\u201d regardless of OTP value.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common mistakes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Leaving a target variable unmapped \u2192 save fails.<\/li>\n\n\n\n<li>Using static text for OTP \u2192 every customer gets the same wrong code.<\/li>\n\n\n\n<li>Not re-mapping after changing templates \u2192 placeholders may break.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Source variable&nbsp;copies a dynamic value from the first channel in your sequence (e.g. the OTP sent on SMS).&nbsp;Static text&nbsp;inserts the same fixed words on every send, regardless of the message content. Source variable (recommended for OTPs and personal data) Use when the WhatsApp or RCS step must show the&nbsp;same&nbsp;value the customer received on SMS. Example:&nbsp;SMS [&hellip;]<\/p>\n","protected":false},"author":118,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[1979],"doc_tag":[],"class_list":["post-2481","docs","type-docs","status-publish","hentry","doc_category-multi-channel-fallback"],"year_month":"2026-06","word_count":148,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admin","author_nicename":"admin","author_url":"https:\/\/www.smsgatewaycenter.com\/blog\/author\/admin\/"},"doc_category_info":[{"term_name":"Multi-Channel Fallback","term_url":"https:\/\/www.smsgatewaycenter.com\/blog\/kb-cat\/multi-channel-fallback\/"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs\/2481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/users\/118"}],"replies":[{"embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/comments?post=2481"}],"version-history":[{"count":0,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/docs\/2481\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/media?parent=2481"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/doc_category?post=2481"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/www.smsgatewaycenter.com\/blog\/wp-json\/wp\/v2\/doc_tag?post=2481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}