After you create the solution, it is necessary to publish it. Publishing generates all the necessary code, uploads it to the environment, and makes it available for runtime. You have to publish your solution before you can test and run it.
To publish the IWS solution for CSV:
In the Raw Service tab, click Publish.
You see the Publish Feed box, which displays all the files which will be published into the region.
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You can clear the Include check box for any files that you do not need to publish.
You can also select a file in the publish tree and look at its contents in the Preview File pane.
See the following example.
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After you select all files, click the Publish button in this window.
You can see the progress of the publishing in the following dialog box.
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