Fill in execute of PFChargedFlowElementCreatorAlgorithm.

Reconstruction/eflowRec/src/PFChargedFlowElementCreatorAlgorithm.cxx

 #include "eflowRec/PFChargedFlowElementCreatorAlgorithm.h"
 
+#include "xAODPFlow/FlowElementAuxContainer.h"
+
 PFChargedFlowElementCreatorAlgorithm::PFChargedFlowElementCreatorAlgorithm(const std::string& name, ISvcLocator* pSvcLocator) :
   AthReentrantAlgorithm(name,pSvcLocator)
 {
@@ -18,6 +20,15 @@ StatusCode PFChargedFlowElementCreatorAlgorithm::execute(const EventContext& ctx
 
   ATH_MSG_DEBUG("Starting PFOChargedCreatorAlgorithm::execute");
 
+  SG::WriteHandle<xAOD::FlowElementContainer> chargedFlowElementContainerWriteHandle(m_chargedFlowElementContainerWriteHandleKey,ctx);
+  ATH_CHECK(chargedFlowElementContainerWriteHandle.record(std::make_unique<xAOD::FlowElementContainer>(),std::make_unique<xAOD::FlowElementAuxContainer>()));
+  
+  /* Create Charged FlowElements from all eflowCaloObjects */
+  SG::ReadHandle<eflowCaloObjectContainer> eflowCaloObjectContainerReadHandle(m_eflowCaloObjectContainerReadHandleKey,ctx);
+  for (auto thisEflowCaloObject : *eflowCaloObjectContainerReadHandle) createChargedFlowElements(*thisEflowCaloObject,true,chargedFlowElementContainerWriteHandle);
+
+  std::sort(chargedFlowElementContainerWriteHandle->begin(), chargedFlowElementContainerWriteHandle->end(), [] (const xAOD::FlowElement* flowElement1, const xAOD::FlowElement* flowElement2) {return flowElement1->pt()>flowElement2->pt();});
+
   return StatusCode::SUCCESS;  
 
 }