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Blocks

Block Types [start] [init] [blocks]

Actions

Display Actions Input Actions Data Actions Flow Actions Understanding Actions

Variables

Naming Conventions Special Variables $variables

Values

Working with Text Text Number Switch Item Group Date Time Duration

Images

Basics Displaying Images Image Sources

Icons

Basics Icon Styling !icon select tool

Colors

Color Sets Sets Color Tool Dynamic Theme

Fonts

Basics Preview Fonts

Tags

Understanding Tags Sounds

Sounds

Beep Sounds Tap Sounds Event Sounds Slide Sounds

reference

Actions

.10x1-image .12x1-image .16x9-image .1x1-image .1x2-image .1x3-image .1x4-image .1x6-image .1x8-image .2x1-image .2x3-image .3x1-image .3x2-image .4x1-image .4x3-image .4x5-image .5x4-image .6x1-image .6x9-image .8x1-image .a .account-signup .acknowledge .acknowledge-once .action-help .action-list .alt .announcement .app-frame .app-icon .app-iphone .app-laptop .app-navbar .app-tablet .aside .avatar .back .back-button .back-header .background-animated-gradient .background-color .background-gradient .background-image .background-video .banner-divider .bluesky .bottom-center .bottom-left .bottom-navbar .bottom-panel .bottom-right .brand-screen .btn .busy-button .button .button-bar .chat-incoming .chat-input .chat-outgoing .chat-typing .checkbox-field .chip .circle-button .circle-image .click .close-icon .color-input .color-palette .color-swatch .column .confetti .continue-button .copy-textbox .copyright .corner-banner .date-input .details .devfooter .dialog .dicebear-avatar .div .divider .divider-bar .edit-app .editor .enter .enter-date .enter-email .enter-family-name .enter-fullname .enter-given-name .enter-helptext .enter-number .enter-password .enter-phone .enter-text .enter-time .enterkey-effect .error-line .facebook .filler .fineprint .fixed-footer .font-sample .footer .footer-nav .full-panel .fullscreen-error .github .golden-image .goleft-effect .goto .goto-effect .gradient .grid .grid-cell .handwriting .header .help .hide .hide-in-progress .hover-over .hr .icon .icon-avatar .icon-button .icon-with-label .iframe .image .image-avatar .image-button .image-header .image-title .inbox-message .inbox-message-input .initials-avatar .input .instagram .left-panel .link .linkedin .list .list-item .live-search .lottie .megaicon .menu .menu-item .middle-center .middle-left .middle-right .mobile-app-view .navigation-bar .navto .number .option .overlay .paragraph .paragraph-text .password-field .password-panel .paste-background .pinpad-input .placeholder .popup .popup-screen .profile .progress-bar .progress-circle .progress-circle-with-value .qrcode .radio-field .rhappsody .rhyme-editor .rhyme-example .rhyme-live .rhyme-source .right-panel .row .run .screen .screen-background .search .select .select-field .set .shape-divider .show-in-progress .signature .signature-pad .sim-app .simulate .simulator .slider-input .spacer .span .spinner .splash-screen .stack .tagline .text .text-field .textarea .textbox-field .textbox-input .time-input .tint .tiptext .title .top-appbar .top-center .top-left .top-panel .top-right .turnstile .twitter .upload-csv .upload-file .upload-file-input .upload-image .upload-json .user-login .validate-email .value .video .video-banner .video-button .wait .when-load-complete .youtube .youtube-video +attachable +decorate +paste-image +paste-image +tint +when-close +when-load-complete account-ctx account-login account-logout account-signup action add add-days add-line add-row add-text add-weeks admin-login ai-auth ai-context ai-model ai-provider allow-dynamic-actions and app app-authorization app-colors app-context app-context-server app-data app-expires-on app-font app-golive-on app-host app-image app-mode app-name app-password app-private app-public app-sound appdev average background-image bluesky break browser-version build-app calculate capitalize character clear-acknowledgement clear-announcement clear-client clear-icons clear-image clear-images clear-inbox clear-profile close-menu color compile conditional confetti console-error console-info console-log console-var contains continue core-kv-get core-kv-put core-run corner-banner create-key create-table csv day-names days-between days-until decode-secret decrement decrypt default default-style delay delete delete-all-videos delete-app-data delete-app-image delete-appgroup delete-column delete-inbox-message delete-key delete-public-app-data delete-public-user-data delete-row delete-saved delete-user-data dir-action dir-actions dir-app dir-blocks dir-boot dir-build dir-clear dir-clear-inbox dir-compile dir-compiler dir-current dir-delay dir-delete-appgroup dir-delete-image dir-dev dir-edit dir-edit-block dir-files dir-help dir-hide dir-images dir-inbox dir-list-apps dir-list-groups dir-load dir-login dir-login-if-needed dir-logout dir-mock-date dir-new dir-new-appgroup dir-new-image dir-publish dir-regen-keys dir-secrets dir-send-inbox-message dir-set dir-sets dir-shell dir-show dir-source dir-source-default dir-status dir-users dir-who distance-between divide down-key dynamic-action dynamic-color-theme editor-login editor-onkey enable-shell-shortcut encrypt endconditional english ensure-email enter-date enter-email enter-family-name enter-fullname enter-given-name enter-helptext enter-key enter-number enter-password enter-phone enter-text enter-time equals error-line escape-key exit-module facebook fadein fadeout fake fake-date fake-table fake-time fill-column filter-group first-row font foreach forget fullscreen-error generate-app-key get-ip-location get-item-number get-location get-public-key get-recipe get-row github goto groq-ai-chat groq-models have hide host-call http-delete http-get http-post http-put icon if if-fail if-is-closed if-is-open if-success image increment init-all init-animation init-auth init-chat init-client init-compiler init-help init-images instagram is-appgroup-available is-date is-greater-than is-group is-item is-less-than is-number is-time is-valid-email is-valid-phone key last-row launch-module left-key length-of linkedin list-actions list-actionsets list-app-data list-app-images list-appgroups list-apps list-areas list-color-palettes list-colors list-compilers list-dynamic-actions list-fonts list-icons list-images list-inbox list-public-app-data list-public-user-data list-recipes list-saved list-secrets list-user-data list-videos load load-app load-app-data load-audio load-binary-file load-compiler load-json-file load-public-app-data load-public-user-data load-saved load-source load-text-file load-user-data logic loop lowercase manager-login max missing modulo month-names multiply my-approups new-app new-appgroup new-profile noop not not-equals on-incoming-chat-message on-notification open-browser open-browser-window open-menu openai-chat pause-audio person pick-random play-audio print print-error print-header profile protect-with-password proxy publish-bin publish-html publish-private random-between random-dice-roll random-digits random-row random-text random-uuid register-actionset reload remember remove-secret render-recipe repeat resend-send-email reset-client resize-image restore-profile resume return right-key round round-down round-up run save save-app-data save-app-image save-public-app-data save-public-user-data save-source save-user-data say schedule secret send-email send-notification send-to-inbox server-run set set-active-schedule set-ai-service set-animation set-announcement set-app-bin set-app-source set-app-title set-brand-color set-build-mode set-css-variable set-debug-ui set-default set-default-font set-dev-mode set-email-bcc set-email-body set-email-cc set-email-from set-email-service set-email-subject set-email-to set-groq-api-key set-http-body set-http-header set-http-timeout set-iconset set-image set-language set-message-body set-message-from set-message-subject set-mock-mode set-private-key set-public-key set-resend-api-key set-secret set-sound set-start-block set-target-ag set-target-aid set-video set-voice set-voice-language shield show slide-down slide-left slide-right slide-up slot sort-column sort-group sort-table source-block-list source-delete-block source-get-block source-join-blocks source-split-blocks source-update-block space-between-lines space-key spanish split-text stack stop-audio store-profile style su-account su-accounts su-platform subscribe subtract sync-time-to-server test test-owner-auth test-server timer-start timer-stop toggle-menu top-left twitter typed-getters-example unpack-row unshield unsubscribe up-key upload-app-image uppercase use use-modules user user-data user-login vardump varref varset vibrate wait waitfor when youtube

action sets

understanding action sets acknowledgement actions AI announcements appgroup audio auth avatars background barcodes blog browser buttons calendar chat client clipboard color column compiler components config core CSS data datetime debug decorator directive divider editor editors effects email enter error events examples exec feedback fields file flow fonts footers form goto groq group headers help HTML HTTP icons if images inbox init input inputs interaction keys language layout lists localstorage location log logic logicfn loops math media menus messaging mock modifier modules navigation network notifications numbers openai overlays paragraph platform print profile progress publish random recipes resend resources rhyme row rows screens search secrets security selects server services shell shield sim social sounds source specialfx speech stacks styling system table test testing text upload users utilities utils validate validation variables video view voice

advanced

/shell Variable Types Mock Values environment

Tools

/shell Rhyme Editor /shell Playground

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missing

function

The missing action logic fn to test for missing variable. It belongs to the logicfn category within the system area.

Action Syntax

missing $variable

A variable name starting with $

Return Value

This function returns a

BOOLEAN

value that can be stored in a variable:

$result = missing

Valid sizes

tiny

small

medium

large

extra

Examples

// Basic Usage
$boolean = missing $varname

Action code: 2834199946

Version: 0.6.4-6

Last updated: 2025-06-13