public String getSlotValue(final String slotName) {
        return hasSlot(slotName) ? intentRequest.getIntent().getSlot(slotName).getValue() : null;
    }
public String getSlotValue ( final String slotName ) { return hasSlot ( slotName ) ? intentRequest . getIntent ( ) . getSlot ( slotName ) . getValue ( ) : null ; }
Gets the slot value as a string in case slot exists otherwise null
@param slotName name of the slot to look after
@return slot value as a string in case slot exists otherwise null