In Salesforce, a suffix is a word or a set of characters that are added to the end of metadata to identify it.
List of common API suffixes in Salesforce
Here is a list of common API suffixes that you can come across in Salesforce.
| API Suffixes | Used for |
| __c | Custom Object / Field |
| __r | Custom Relationship |
| __e | Platform Events |
| __b | Custom Big Objects |
| __mdt | Custom Metadata Type |
| __x | External Object |
| __share | Sharing Object |
| __Tag | Salesforce Tags |
| __voteStat | Rating for an article |
| __viewStat | Number of view per article |
| __kav | Knowledge Article Objects |
| __history | Field History Tracking |
| __xo | Salesforce-to-Salesforce (S2S) spoke |
| __pc | Custom Persona Account Field |
| __ChangeEvent | Change Data Capture |
| __StateCode__s | Custom Address field |
| __CountryCode__s | Custom Address field |
| __Street__s | Custom Address field |
| __PostalCode__s | Custom Address field |
| __City__s | Custom Address field |
| __GeocodeAccuracy__s | Custom Address field |
| __dlm | (Data Model Object) for the Customer Data Platform. |
| __chn | Change Event channel |
| __latitude__s | Latitude Coordinate |
| __longitude__s | Longitude Coordinate |
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