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Define attribute 'ID' in ContentTypes uppercase

The ID of a ContentType should by a GUID in uppercase letters to avoid problems when accessing ContentTypes in code.

CheckId SPC045203
TypeName DeclareContentTypeIDUpperCase
Severity CriticalWarning
Type ContentType

Make attribute 'Id' in ContentType uppercase.

To suppress this violation in XML SharePoint code add the following comment right before the XML tag which causes the rule violation. Learn more about SuppressMessage here.

<!-- "SuppressMessage":{"rule":"SPC045203:DeclareContentTypeIDUpperCase","justification":"Provide reason for suppression here"} -->
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