• From the flow dashboard, click either Upload Sample Descriptions or Upload Samples. (If you don't see a link for "Upload Sample Descriptions", the sample set is already defined and you can proceed to uploading.

• On the Create Sample Set page, you cannot change the Name of the set, it must be "Samples" in the flow module.
• You need to provide a unique identifier for the samples in the set.
• If your sample data contains a Name column, it will be used as the unique identifier.
• If not, you can provide a Name Expression for uniquely identifying the samples. For example, if you have a "TubeName" column, you can tell the server to use it by making the name expression "${TubeName}" as shown here:

• Click Create.
• On the Edit Fields in Samples page, they are not shown on screen, but your sample set will always be created with the following fields, which cannot be changed.
• Name - Text (String) - (Required) This field will be populated by the name expression you provide if it does not already exist in your data.
• Description - Text (String)
• Flag - Text (String)
• Use Add Field to add all the additional fields in your sample set.
• For example, the set of fields shown below is used in the Flow Tutorials.

When finished, click Save to create the sample set.

• Once the "Samples" sample set is defined, clicking Upload Samples or Upload More Samples, will open the panel for importing your sample data.
• Click Download Template to download a template showing all the necessary columns for your sample set.
• You have two upload options:
• Either Copy/Paste data into the Data box shown by default, and select the appropriate Format: (TSV or CSV). The first row should contain column names.
• OR
• Click Upload file (.xlsx, .xls, .csv, .txt) to open the file selection panel, browse to your spreadsheet and open it.
• Import Options: The default behavior is to insert only new samples; ignore samples already in the set. Check the box if you want to Update data for existing samples during import.
• For either option, choose whether to Import Lookups by Alternate Key.

• Click Submit.

• Click My Flow Tutorial (or other name of your folder) to return to the flow dashboard.
• Click Define sample description join fields and specify the join as:

• Click Update.

• Click My Flow Tutorial (or other name of your folder).
• Click FCS Files in the Flow Summary on the right.
• Click the Name FACSData.
• Then select (Grid Views) > Customize Grid.
• You should now see the columns from the Sample table that you may add to your grid.