$SPECIAL variables
Rhyme provides a comprehensive set of special variables that are automatically available in all apps. These variables give you access to system information, app state, date/time values, and much more.
date & time variables
current date/time
$TODAY- Current date and time$NOW- Current date and time (same as $TODAY)$TIMESTAMP- Current timestamp in milliseconds
formatted dates
$DATE- Medium format date (e.g., “Jan 15, 2025”)$LONGDATE- Long format date (e.g., “January 15, 2025”)$SHORTDATE- Short format date (e.g., “1/15/25”)
formatted times
$TIME- Medium format time (e.g., “2:30:45 PM”)$LONGTIME- Long format time with timezone$SHORTTIME- Short format time (e.g., “2:30 PM”)
date components
$DAY- Full day name (e.g., “Monday”)$DAYSHORT- Short day name (e.g., “Mon”)$MONTH- Full month name (e.g., “January”)$MONTHSHORT- Short month name (e.g., “Jan”)$MONTHNUM- Month as number (1-12)$YEAR- Two-digit year (e.g., “25”)$YEARNUM- Four-digit year (e.g., 2025)
time components
$HOUR- Two-digit hour (e.g., “14”)$HOURNUM- Hour as number (0-23)$MINUTE- Two-digit minute (e.g., “05”)$MINUTENUM- Minute as number (0-59)$SECOND- Two-digit second (e.g., “09”)$SECONDNUM- Second as number (0-59)
time slots
$TIMESLOTS60- Array of hourly time slots$TIMESLOTS30- Array of half-hour time slots$TIMESLOTS15- Array of 15-minute time slots$TIMESLOTS10- Array of 10-minute time slots$TIMESLOTS5- Array of 5-minute time slots
name arrays
$DAYNAMES- Full weekday names array$DAYNAMESSHORT- Short weekday names array$MONTHNAMES- Full month names array$MONTHNAMESSHORT- Short month names array
app & system information
app details
$APP- Current app information object$APPNAME- Name of the current app$APPGROUP- App group identifier$AID- App ID$APPICON- App icon reference$APPBIN- App binary data$APPBINLEN- Size of app binary in bytes$VERSION- VM version
execution context
$BLOCK- Current block name$BLOCKID- Current block ID$BLOCKS- Array of all block names$BLOCKIDS- Array of all block IDs$PC- Program counter$STEP- Current step count
environment
$ENVIRONMENT- Runtime environment (“browser”, “node”, “worker”, “unknown”)$ENV- Extended environment information$LANGUAGE- Current language setting (e.g., “en|US”)$REGION- Geographic region$PWA- Whether running as Progressive Web App
user & authentication
$ACCOUNT- Account information$PLAN- Current subscription plan$AUTH- Authentication headers$AUTHMODE- Authentication mode$AUTHHEADERS- Generated auth headers
client information
$CLIENT- Client object$CLIENTID- Client identifier$CLIENTPASSCODE- Client passcode$CLIENTTOKEN- Client authentication token$CLIENTCAN- Client capabilities object (badge, listen, locate, speak, vibrate)
url & location
$URL- Full current URL$HOSTNAME- Current hostname$SUBDOMAIN- First part of hostname$ORIGIN- Protocol and hostname$URLPATH- URL pathname$URLHASH- URL hash/fragment
colors & styling
$COLORA- Primary color value$COLORB- Secondary color value$COLORC- Tertiary color value$COLORS- Array of all available colors$APPWIDTH- Application width setting
system lists
variables & state
$VARIABLES- Array of all defined variable names$SYSVARS- Array of all system variable names$VARMETA- Variable metadata keys$STATE- Complete state object$VARBUF- Variable buffer
ui & components
$CUSTELEMENTS- Custom elements available$CUSTOMELEMENTS- Registered custom elements$TEMPLATES- Available templates$UIPOSITIONS- UI elements with position data$LASTEL- Last created element
resources
$IMAGES- Array of loaded image names$ICONS- Array of available icons$ACTIONS- Array of all action names$PLUGINS- Array of loaded plugins
variable metadata
These functions accept a variable name as parameter:
$TYPE["variable-name"]- Get variable type$AGE["variable-name"]- Get variable age/timestamp$SIZE["variable-name"]- Get variable size$COUNT["variable-name"]- Get variable count$LENGTH["variable-name"]- Get variable length
miscellaneous
$RANDKEY- Generate random 32-character key$BUILDOPS- Build operation keys$CURTABLE- Current table reference$CACHEKEYS- Cache keys array$LATEST- Latest value$SOP- Last operation$PROD- Production mode flag$RHA- RHA flag status$RHB- RHB flag status$USERS- User list$USERRECORDS- User records$SLOTS- Available slots$SECRETLIST- List of secret keys$SECRETS- Secret names
System variables are read-only and automatically updated by Rhyme. They provide real-time information about your app's state and environment.
Date and time variables respect the user's language settings and locale for proper formatting.