public CreatePersistentContactAssociationRequest withSourceContactId(String sourceContactId) {
        setSourceContactId(sourceContactId);
        return this;
    }
<p>
The contactId from which a persistent chat session must be started.
</p>

@param sourceContactId
       The contactId from which a persistent chat session must be started.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/CreatePersistentContactAssociationRequest.java