EnterExpressionPacket[expr]
is a WSTP packet that requests the evaluation of expr.


EnterExpressionPacket
EnterExpressionPacket[expr]
is a WSTP packet that requests the evaluation of expr.
Details

- expr is a Wolfram Language expression, not a string.
- expr is evaluated by a complete pass through the Wolfram System main loop.
- The notebook front end typically evaluates BoxData cell content by sending the kernel an expression such as EnterExpressionPacket[MakeExpression[BoxData[boxes],form]].
Examples
Basic Examples (1)
Launch a subsidiary Wolfram Language kernel process:
Write an EnterExpressionPacket packet to the link without evaluating it:
Related Guides
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), EnterExpressionPacket, Wolfram Language function, https://reference.wolfram.com/language/ref/EnterExpressionPacket.html.
CMS
Wolfram Language. 1996. "EnterExpressionPacket." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/EnterExpressionPacket.html.
APA
Wolfram Language. (1996). EnterExpressionPacket. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/EnterExpressionPacket.html
BibTeX
@misc{reference.wolfram_2025_enterexpressionpacket, author="Wolfram Research", title="{EnterExpressionPacket}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/EnterExpressionPacket.html}", note=[Accessed: 11-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_enterexpressionpacket, organization={Wolfram Research}, title={EnterExpressionPacket}, year={1996}, url={https://reference.wolfram.com/language/ref/EnterExpressionPacket.html}, note=[Accessed: 11-August-2025]}