If your source data is in a text file, add and set up a text source.
The Add Source window opens.
The available text sources appear in the Sources pane.
If you select an existing source, the source is added to your integration. You don’t need to set up the source properties.
If you are creating a new source, the Properties window opens, allowing you to set the properties of the text query. See Setting up general properties for text sources.
If you add a text source to an integration that already contains ODBC/text sources, a message appears reminding you to create a relationship between the sources.