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	Create a stream
By default, all users other than guests can create streams. Administrators can restrict the ability to create a stream to specific roles.
If you are an administrator setting up streams for the first time, check out our guide to setting up streams for a new organization.
Create a stream
{!create-a-stream-instructions.md!}
Stream options
There are several parameters you can set while creating a stream. All but Announce stream you can change later.
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Stream name: Appears in the left sidebar for subscribed users. The stream name can be in any language, and can include spaces and other punctuation.
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Stream description: Helps users decide whether to subscribe when they are browsing streams.
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Announce new stream in the stream configured by your organization: Posts a message in the "new streams" topic advertising the new stream.
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Who can access the stream?: See Stream permissions.
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Default stream for new users: Whether new users will be automatically subscribed to the new stream.
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Who can post to the stream?: See Stream permissions.
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Who can unsubscribe others from this stream?: See Restrict stream membership management.
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Message retention period: See Message retention policy.
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Choose subscribers: You can copy the membership from an existing stream or user group, add all users, or enter users one by one.