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All the parameters available for the element are displayed in the Parameters area. Some parameters must have a value, they are displayed in bold. Notice, that when you select a parameter, it’s description is shown below. To modify a value click on it. Depending on the parameter’s type you may be required to either input a value or browse for a file(s). Using datasets you can manipulate with file(s) or directory(ies).Also you can configure slots of a connected input port by selecting different (matching) data available through the dataflow. More advanced users can use their own scripts to set a parameter’s value, read chapter Using Script to Set Parameter Value to learn more. The image below shows the Property Editor:

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  <img src="/wiki/download/attachments/28836981474800/sequenceManaging Parameters_view1.gifjpg"/>
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More advanced users can use their own scripts to set a parameter’s value, read chapter Using Script to Set Parameter Value to learn more.

When you select an input or output port on the Scene the Property Editor shows the slots of the port. You can configure slots of a connected input port by selecting different (matching) data available through the dataflow. For example on the image the Write alignment element can access MSA data from both previous elementsFor Data Readers you can manipulate with file(s) or directory(ies) with a help of dataset(s):

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  <img src="/wiki/download/attachments/1474800/connected_input_port_slots.pngManaging Parameters.jpg"/>
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There is one more area in the Property Editor that has not yet been described — the Iterations area. Iterations can be used for executions of the same workflow with varied parameters. To learn more about the iteration read this chapter.to remove files from dataset you can select it and press the Delete button.