I want to email a file attachment but the filename is passed through a custom value:-
@Value(_dataset)/litmap-@DateTimeFormat(@DateTimeNow(), %B-%d-%Y).csv
When I enter this in the Emailer transformer it goes red as per the screenshot but I cannot see how to read the error. And also cannot see how to set mime type as text/csv
Best answer by chrisatsafe
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+2
Hi @davebarter,
I think your best option is to create a temp attribute using either an AttributeManger or on the previous transformer by right clicking on one of the transformer output ports and choosing add attribute:
Then set the attribute value to your path value: @Value(_dataset)/litmap-@DateTimeFormat(@DateTimeNow(), %B-%d-%Y).csv
Then set the source file parameter to the attribute you just created - this will allow you to use the autodetect MIME type.
The reason it is being flagged as invalid is because this parameter is looking for a file on your machine unless an attribute value is selected. Since the @datetime functions are taken literally, the path it is looking for C:/../litmap-@DateTimeFormat(@DateTimeNow(), %B-%d-%Y).csv instead of C:/../litmap-July-14-2020.csv. Since the path does not exist, the parameter is being flagged as invalid. This behaves just like the filename (existing) parameter.
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