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Add a name and a description to the package and click next.
You can select here the checkbox to publish the package and include a URL in its content so that others can automatically subscribe to future updates while importing a zipped package. There might be additional items (dependencies) that need to be included. When done, click on next
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The newly created package can be found at the top of the list on the Manage Metadata Sharing page. If you click on the see a link named package tap, it will take you to the Manage Metadata Sharing page.
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