Access Constraints


Definition

The <Access_Constraints> field allows the author to provide information about any constraints for accessing the service.  This includes any special restrictions, legal prerequisites, limitations and/or warnings on obtaining the service.  Some words that may be used in this field include: Public, In-house, Limited.  Additional detailed instructions on how to access the service can be entered in this field.

 
Syntax

<Access_Constraints>text</Access_Constraints>

  • Multiple lines of text are permitted. Characters may be selected from the UTF-8 character set.
 
Usage
  • The <Access_Constraints> field is highly recommended and may not be repeated.
  • Text should be single spaced with blank lines separating paragraphs.
 
Example

<Access_Constraints>
Registration is required to access the service.
</Access_Constraints>

 

This document should be cited as:
Service Entry Resource Format (SERF) Writer's Guide, 2013.
Global Change Master Directory.
National Aeronautics and Space Administration.
[http://gcmd.nasa.gov/add/serfguide/].

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