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Meena25Meena25 

JSON replace formatted text

This is my JSON body which am posting to backend.

{"attributes":{"type":"Lead","url":"/services/data/v46.0/sobjects/Lead/00Q6C00000MWXCgUAP"},"LastName":"rf","FirstName":"wq","Id":"00Q6C00000MWXCgUAP","RecordTypeId":"0121U000000jV0pQAE"}

I just need to replace Id with LeadId while posting as my backend expects that. How can i replace that JSON body text?

Meena25Meena25

This is my code:

Lead lead=[select LastName,FirstName from Lead LIMIT 1];
system.debug('serialized JSON'+JSON.serialize(lead));
body = JSON.serialize(lead);
request.setBody(body);

Ajay K DubediAjay K Dubedi
Hi Meena,
You need to create a wrapper class for this requirement.
Try the following code to fulfill your requirement:
public class WrapperForChangeJSON {
    
    public static void createNewJSON()
    {
        Lead lead=[select LastName,FirstName from Lead LIMIT 1];
        system.debug('serialized JSON'+JSON.serialize(lead));
        String body = JSON.serialize(lead);
        Map<String, Object> meta = (Map<String, Object>) JSON.deserializeUntyped(body);
        system.debug('----' + meta);
        AccountWrapper aObj = new AccountWrapper();
        aObj.attributes = meta.get('attributes');
        aObj.LastName = meta.get('LastName');
        aObj.LeadId = meta.get('Id');
        String newJSON = JSON.serialize(aObj);
        system.debug('----' + newJSON);
    }    
    public class AccountWrapper {
        
        public Object attributes {
            get;set;
        }
        public Object LastName {
            get;set;
        }
        public Object LeadId {
            get;set;
        }
    }
}
I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.

Thanks,
Ajay Dubedi