Different Workflow Conditions are provided ...
It allows you allow a Workflow Transition only if the Original Estimate is NULL.
It allows you allow a Workflow Transition only if the Original Estimate is not NULL.
It allows you allow a Workflow Transition only if the Remaining Estimate is NULL.
It allows you allow a Workflow Transition only if the Remaining Estimate is not NULL.
This Workflow Condition allows to evaluate if the current User is allowed to Log Work on the Issue, not only depending on Work On Issue permission, but also depending Minyaa Time rules.