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Also, a user can filter Jira data by added JQL, using the criteria Source JQL.
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Concurrence
Once the criteria are selected, and if necessary, a user can define the concurrence rules for the events that will be created based on the source.
“Don't allow concurrent events” means, as it says, the concurrent events are not allowed
“Don't allow concurrent events on assignee level” means that concurrent events are allowed as long as the events' assignee differs
Single Date or Date Range
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