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nats.docs/developer/receiving/sync.md
Stephen Asbury cc850776b8 Cleaned up developer doc 
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Synchronous Subscriptions

Synchronous subscriptions require the application to poll for messages. This type of subscription is easy to set-up and use, but requires the application to deal with looping if multiple messages are expected. For situations where a single message is expected, synchronous subscriptions are sometimes easier to manage, depending on the language.

For example, to subscribe to the subject updates and receive a single message you could do:

!INCLUDE "../../_examples/subscribe_sync.html"