is an option that specifies the content of associations to which to apply handler functions.
HandlerFunctionsKeys
is an option that specifies the content of associations to which to apply handler functions.
Details
- The following are typical settings for HandlerFunctionsKeys :
-
Automatic try to include only elements required by handler functionsAll include all available elements{"key1","key2",…} include particular keys
- The keys available with particular tasks are listed under the functions that submit the tasks.
Examples
Basic Examples (7)
Display the result of evaluation after the task is finished:
Print the complete Association available to a handler function:
Display the result of the Print evaluated in a subkernel:
Display a dialog when the message was generated:
Print the message generated by the subkernel:
Specify that the status code and content type are to be passed to any handler function:
Receive the body of the response as a string:
Receive the body of the response as a list of bytes:
Receive the body of the response as a ByteArray :
Related Guides
History
Text
Wolfram Research (2016), HandlerFunctionsKeys, Wolfram Language function, https://reference.wolfram.com/language/ref/HandlerFunctionsKeys.html.
CMS
Wolfram Language. 2016. "HandlerFunctionsKeys." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/HandlerFunctionsKeys.html.
APA
Wolfram Language. (2016). HandlerFunctionsKeys. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/HandlerFunctionsKeys.html
BibTeX
@misc{reference.wolfram_2025_handlerfunctionskeys, author="Wolfram Research", title="{HandlerFunctionsKeys}", year="2016", howpublished="\url{https://reference.wolfram.com/language/ref/HandlerFunctionsKeys.html}", note=[Accessed: 17-November-2025]}
BibLaTeX
@online{reference.wolfram_2025_handlerfunctionskeys, organization={Wolfram Research}, title={HandlerFunctionsKeys}, year={2016}, url={https://reference.wolfram.com/language/ref/HandlerFunctionsKeys.html}, note=[Accessed: 17-November-2025]}