In Develop mode, use the processing tools to apply edits to an image and then save those settings as a Develop Preset. Your Develop Preset can then be applied to multiple files within the Batch workflow tool.
To Apply a Batch Develop Preset:
To apply multiple actions at once, click the Show Actions button in the Batch Workflow dialog box, or select Batch | Custom from Manage mode. Select actions from the left pane and drag and drop them into the right pane.