{"id":1037,"date":"2026-10-26T20:30:14","date_gmt":"2026-10-26T15:00:14","guid":{"rendered":"https:\/\/smppcenter.com\/kb\/?p=1037"},"modified":"2026-10-26T20:30:16","modified_gmt":"2026-10-26T15:00:16","slug":"faq-how-many-custom-variables-file-upload","status":"publish","type":"post","link":"https:\/\/smppcenter.com\/kb\/faq-how-many-custom-variables-file-upload\/","title":{"rendered":"How many custom variables can I use in a file upload?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Up to <strong>10<\/strong>, named <code>$CUSTOM1$<\/code> through <code>$CUSTOM10$<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the file they occupy <strong>Column C to Column L<\/strong>. Column A is <code>Phone<\/code> and Column B is <code>Message<\/code> when you are putting the message in the file.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you need more than ten pieces of personalised data in one message, combine them in the source system before export. For example, join a first and last name into one column instead of using two variables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">See <a href=\"https:\/\/smppcenter.com\/kb\/send-customised-sms-file-upload\/\">How to Send Customised SMS Using File Upload<\/a> for the full structure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Up to 10, named $CUSTOM1$ through $CUSTOM10$. In the file they occupy Column C to Column L. Column A is Phone and Column B is Message when you are putting the message in the file. If you need more than ten pieces of personalised data in one message, combine them in the source system before [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[515],"tags":[],"class_list":["post-1037","post","type-post","status-publish","format-standard","hentry","category-compose"],"_links":{"self":[{"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/posts\/1037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/comments?post=1037"}],"version-history":[{"count":0,"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/posts\/1037\/revisions"}],"wp:attachment":[{"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/media?parent=1037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/categories?post=1037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smppcenter.com\/kb\/wp-json\/wp\/v2\/tags?post=1037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}