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$PersistencePath

gives the default list of persistence locations at which to look for values assigned to PersistentSymbol objects.

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$PersistencePath

$PersistencePath

gives the default list of persistence locations at which to look for values assigned to PersistentSymbol objects.

Details

Examples

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Basic Examples  (1)

The default search path for persistent values:

Wolfram Language code: $PersistencePath

Set a new search path that includes the cloud location:

Wolfram Language code: $PersistencePath = {"KernelSession", "FrontEndSession", "Local", "Cloud"}

Properties & Relations  (1)

Create a complement of persistent symbols with key "v" at various locations:

Wolfram Language code: PersistentSymbol["v", "FrontEndSession"] = 1; PersistentSymbol["v", "KernelSession"] = 2; PersistentSymbol["v", "Local"] = 3; PersistentSymbol["v", "Cloud"] = 4;

Persistent values are by default searched on all locations given in $PersistencePath:

Wolfram Language code: $PersistencePath

The first value found is returned:

Wolfram Language code: PersistentSymbol["v"]

With MergingFunction->Identity, all values found are returned in a list:

Wolfram Language code: PersistentSymbol["v", MergingFunction -> Identity]

Specify an explicit list of locations to search for values:

Wolfram Language code: PersistentSymbol["v", {"KernelSession", "Cloud"}, MergingFunction -> Identity]

Possible Issues  (1)

The "Installation" location is always added at the end of the search path:

Wolfram Language code: $PersistencePath = {"KernelSession", "FrontEndSession"}
Wolfram Research (2017), $PersistencePath, Wolfram Language function, https://reference.wolfram.com/language/ref/$PersistencePath.html.

Text

Wolfram Research (2017), $PersistencePath, Wolfram Language function, https://reference.wolfram.com/language/ref/$PersistencePath.html.

CMS

Wolfram Language. 2017. "$PersistencePath." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$PersistencePath.html.

APA

Wolfram Language. (2017). $PersistencePath. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$PersistencePath.html

BibTeX

@misc{reference.wolfram_2026_$persistencepath, author="Wolfram Research", title="{$PersistencePath}", year="2017", howpublished="\url{https://reference.wolfram.com/language/ref/$PersistencePath.html}", note=[Accessed: 13-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_$persistencepath, organization={Wolfram Research}, title={$PersistencePath}, year={2017}, url={https://reference.wolfram.com/language/ref/$PersistencePath.html}, note=[Accessed: 13-June-2026]}