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SetPersistent (table, key1, key2, array)

Definition:  Updates a record with values from an associative array using the key values as for GetPersistent().

Here is an example of using a mutex and persistent storage to execute something at most once a week by only one user without risk of a race condition whereby two users might look at the user2 persistent storage record at the same time: 

on Load
    if GetMutex("rate_update")
        let values = GetPersistent("user2", kMyDevKey, "last_update")
        if values["date1"] < Today() - 7
            GetRates() // do weekly thing
            let values["date1"] = Today()
            SetPersistent("user2", kMyDevKey, "last_update", values)
        endif
        ReleaseMutex("rate_update")
    endif
end

See the table below for tables and fields supported by GetPersistent and SetPersistent.

table key1 key2 fields
user 7 character key of your choosing none data
user2 32 bit numeric developer key. You may use any value from #80000000-#8FFFFFFF for internal projects. For projects that you wish to distribute to others, please contact Cognito for a key range that you can use exclusively. 27 character key of your choosing int1, int2, float1, float2, date1, date2, text1, text2, text
lists 15 char listID(may or may not be a listID known to the Validation Lists list) 15 character list item comment
offledger must be "USR" (you can Get the "CUR" (currency) records if you wish, but you may not Set them) 15 character name description, balance91..balance00, budget29..budget00, budgetnext01..budgetnext18

In MoneyWorks 7.1 and later, the fourth parameter may be omitted: this will cause the record identified by the key(s) to be deleted. In this case the return value is a boolean indicating success or failure. If the key parameters contain wildcards, then all matching records will be deleted.

Availability:  MWScript

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