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1. Create a new stream in your model and populate its attributes.
   1. Hover over CustomerCareUpdates and click  Add a new Stream.
   2. In the properties, set the Name to  Combined Updates.
   3. In the model, show the stream attributes for CustomerCareUpdates .
   4. Select all the attributes and drag them into the properties for the Combined Updates stream. Drop them into the Attributes section.
2. Save your model layout.
3. Connect the ShopUpdates stream to the Combined Updates stream.
   1. Hover over ShopUpdates and click  Add a new Connector.

   2. Click Combined Updates to link the pipe to the stream.

      Info
      When you connect streams, PhixFlow automatically adds a reference to the input pipe name. this appears in the attribute expression. To merge this data successfully you must update the attribute expressions to remove the in. prefix.

      
      

4. Fix all the attribute expressions.
   1. Double-click on Combined Updates to open its properties. For  each attribute:
   2. In the Attributes section, double-click on an attribute to open its properties.
   3. In the properties for the attribute, in the Basic Settings section, edit the Expression to remove in. and press .
      
5. In the Combined Updates stream properties, press  to save the changes.
6. Run analysis on Combined Updates.
7. Check that the stream has:
   • the columns CustomerRef, Sales Date and Package
   • 15 rows
   • all cells have data.
     The stream default view:
     

Snapshot of the Chanel Package Check model so far:

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Image Added

Record the source for each update

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