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If assignment is to either role or user or none: Set Task Notification email message to either “(Your approval | Further Processing) is needed for a {flow.name} .<br/><br/>You can access the {flow.name} via <a href="{task.list.url}">your task list</a>.” depending on if an approval step or non-approval step.
If assignment is to email: Set Task Notification email message to either “(Your approval | Further Processing) is needed for a {flow.name} .<br/><br/>You can access your task for the {flow.name} by clicking <a href=\\"'{task.perform.url}' ">this link</a>.” depending on if an approval step or non-approval step.
Error Message
The Workflow Design Wizard will also place a default error message with the CSS Class f-submit-error on any new form it creates. This will automatically appear if the user attempts to submit the form with validation errors, and will disappear as soon as those errors are corrected.