Custom Function Methods
Extensions
scrapeUrl(url: string, scrapeSettings?: object): Promise<string>
scrapeUrl(url: string, scrapeSettings?: object): Promise<string>Scrapes metadata or content from the specified URL using optional custom settings.
Parameters
url
string
URL to scrape.
scrapeSettings
object
(optional) Custom settings for scraping.
Returns
Promise<string> — JSON‑stringified scrape result.
searchGoogle(query: string): Promise<string>
searchGoogle(query: string): Promise<string>Performs a Google web search and returns relevant results.
Parameters
query(string): Search query string.
Returns
Promise<string> — JSON‑stringified list of results.
rehostImage(imageUrl: string): Promise<string>
rehostImage(imageUrl: string): Promise<string>Downloads and re‑hosts an image to a secure internal location.
Parameters
imageUrl(string): Public URL of the image.
Returns
Promise<string> — JSON‑stringified object containing the new hosted image URL.
concatenateAudio(urls: string[], options: object): Promise<string>
concatenateAudio(urls: string[], options: object): Promise<string>Merges multiple audio files (e.g., MP3, WAV) into a single audio stream.
Parameters
urls
string[]
Array of audio file URLs.
options
object
Settings (e.g., fade in, output format).
Returns
Promise<string> — JSON‑stringified result (e.g., output URL or metadata).
unzipFile(zipUrl: string): Promise<string>
unzipFile(zipUrl: string): Promise<string>Unzips a .zip file from the given URL and returns its contents or links.
Parameters
zipUrl(string): URL to a zip archive.
Returns
Promise<string> — JSON‑stringified file tree or extracted file URLs.
analyzeImage(imageUrl: string, prompt: string): Promise<string>
analyzeImage(imageUrl: string, prompt: string): Promise<string>Performs visual analysis of an image using a textual prompt.
Parameters
imageUrl
string
URL of the image to analyze.
prompt
string
Instruction or question about the image.
Returns
Promise<string> — JSON‑stringified analysis result.
searchGoogleImages(query: string): Promise<string>
searchGoogleImages(query: string): Promise<string>Fetches relevant images based on a search query.
Parameters
query(string): Image search keywords.
Returns
Promise<string> — JSON‑stringified array of image URLs or metadata.
generateChart(data: object, width?: number, height?: number, backgroundColor?: string): Promise<string>
generateChart(data: object, width?: number, height?: number, backgroundColor?: string): Promise<string>Generates a chart image from structured data.
Parameters
data
object
Chart data and configuration.
width
number
(optional) Image width in pixels (default 500).
height
number
(optional) Image height in pixels (default 300).
backgroundColor
string
(optional) Background color (default white).
Returns
Promise<string> — Base64‑encoded chart image or URL.
queryDataSource(dataSourceId: string, query: string, numResults?: number): Promise<string>
queryDataSource(dataSourceId: string, query: string, numResults?: number): Promise<string>Executes a query against a configured data source (e.g., SQL, vector DB).
Parameters
dataSourceId
string
Target data source identifier.
query
string
Query string to execute.
numResults
number
(optional) Max number of results (default 1).
Returns
Promise<string> — JSON‑stringified query results.
uploadFile(body: string, contentType: string, encoding: BufferEncoding): Promise<{ url: string }>
uploadFile(body: string, contentType: string, encoding: BufferEncoding): Promise<{ url: string }>Uploads a file and returns its hosted URL.
Parameters
body
string
File contents (base64‐encoded or text).
contentType
string
MIME type of the file.
encoding
BufferEncoding
Encoding format used.
Returns
Promise<{ url: string }> — Object containing the hosted file URL.
log(value: string): void
log(value: string): voidSends a log message to the workflow execution log.
Parameters
value(string): Message to log.
Returns
void
generateImage(prompt: string, modelId: string): Promise<{ b64_json: string }>
generateImage(prompt: string, modelId: string): Promise<{ b64_json: string }>Generates an image from a text prompt using a specified model.
Parameters
prompt
string
Text prompt for image generation.
modelId
string
Identifier of the generation model.
Returns
Promise<{ b64_json: string }> — Base64‑encoded image payload.
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