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vdm:gethistorylatest
Retrieves the timestamp of the last time (that is, the most recent time) the specified history type was recorded for this visitor.
Syntax
<vdm:gethistorylatest attribute="attribute" varname="varname" [startdate="date1"] [enddate="date2"] [list="constraints"] />Parameters
attribute (required)
- Input parameter. Name of a history type or name of an external history record (that is, a record of history data stored in the Transact database).
varname (required)
- Input and output parameter. As input, name of a variable to create on output to hold the timestamp.
startdate (optional)
- Input parameter. Start date (in milliseconds from epoch).
enddate (optional)
- Input parameter. End date (in milliseconds from epoch)
list (optional)
- Input parameter. Name of a list of values to use to constrain the date. The list has two columns:
field
- Name of an individual history attribute.value
- Corresponding value for the history attribute.- Use this argument if you want to consider only specific instances of this record. There might be more than one row for the same field.
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