its possible to get the tasks and fixlets that created in the last week?
It is possible, yes. See the source release date of <bes fixlet>
inspector.
The other portion of the relevance will be logic to compare the source release date with the current date - 1 week (current date - 1 * week)
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With this information, do you want to try to come up with the relevance of interest? We can of course provide additional guidanceā¦
(id of it, display name of site of it, name of it) of bes fixlets whose (source release date of it > current date - 1 * week)