public class SchemaGlobalDescribe{
public static String findObjectNameFromRecordIdPrefix(String recordIdOrPrefix){
String objectName = '';
try{
//Get prefix from record ID
//This assumes that you have passed at least 3 characters
String myIdPrefix = String.valueOf(recordIdOrPrefix).substring(0,3);
//Get schema information
Map<String, Schema.SObjectType> gd = Schema.getGlobalDescribe();
//Loop through all the sObject types returned by Schema
for(Schema.SObjectType stype : gd.values()){
Schema.DescribeSObjectResult r = stype.getDescribe();
String prefix = r.getKeyPrefix();
System.debug('Prefix is ' + prefix);
//Check if the prefix matches with requested prefix
if(prefix!=null && prefix.equals(myIdPrefix)){
objectName = r.getName();
System.debug('Object Name! ' + objectName);
break;
}
}
}catch(Exception e){
System.debug(e);
}
return objectName;
}
}
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