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Use SPBuiltInContentTypeId to reference builtin ContentType

Use SPBuiltInContentTypeId to reference builtin ContentType.

CheckId SPC050231
TypeName UseBuiltInContentTypesInsteadOfStrings
Severity Warning
Type Assembly

Replace strings which contain the ID of a SharePoint default ContentType with the SPBuiltInContentTypeId.
Bad Practice

// retrieve Document ContentType by string
SPContentTypeId documentCTypeId = new SPContentTypeId("0x0101");
SPContentType documentContentType = web.AvailableContentTypes[documentCTypeId];

Good Practice
// retrieve Document ContentType by SPBuiltInContentTypeId class
SPContentType documentContentType = web.AvailableContentTypes[SPBuiltInContentTypeId.Document];

To suppress this violation in managed code add the following attribute to the method which contains the instruction (available since SPCAF version v5.2). Learn more about SuppressMessage here.

// Important: Ensure to have #define CODE_ANALYSIS at the beginning of your .cs file
[SuppressMessage("SPCAF.Rules.BestPracticesGroup", "SPC050231:UseBuiltInContentTypesInsteadOfStrings", Justification = "Provide reason for suppression here")]
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