diff --git a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C
index baafa87b74..879d6bbd79 100644
--- a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C
+++ b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C
@@ -458,6 +458,15 @@ Foam::autoPtr<Foam::functionObjectList> Foam::functionObjectList::New
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
+Foam::label Foam::functionObjectList::triggerIndex() const
+{
+    label triggeri = labelMin;
+    stateDict().readIfPresent("triggerIndex", triggeri);
+
+    return triggeri;
+}
+
+
 void Foam::functionObjectList::resetState()
 {
     // Reset (re-read) the state dictionary
diff --git a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H
index 6be997b516..5cb135612f 100644
--- a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H
+++ b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H
@@ -174,6 +174,9 @@ public:
         //- Access to the functionObjects
         using PtrList<functionObject>::operator[];
 
+        //- Return the current trigger index (read from the stateDict)
+        label triggerIndex() const;
+
         //- Reset/read state dictionary for current time
         void resetState();
 
diff --git a/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.C b/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.C
index 1bfe099f0a..04768c89eb 100644
--- a/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.C
+++ b/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.C
@@ -78,6 +78,34 @@ Foam::dictionary& Foam::functionObjects::stateFunctionObject::propertyDict()
 }
 
 
+bool Foam::functionObjects::stateFunctionObject::setTrigger
+(
+    const label triggeri
+)
+{
+    IOdictionary& stateDict = this->stateDict();
+
+    label oldTriggeri =
+        stateDict.lookupOrDefault<label>("triggerIndex", labelMin);
+
+    if (triggeri > oldTriggeri)
+    {
+        stateDict.set("triggerIndex", triggeri);
+        return true;
+    }
+
+    return false;
+}
+
+
+Foam::label Foam::functionObjects::stateFunctionObject::getTrigger() const
+{
+    const IOdictionary& stateDict = this->stateDict();
+
+    return stateDict.lookupOrDefault<label>("triggerIndex", labelMin);
+}
+
+
 bool Foam::functionObjects::stateFunctionObject::foundProperty
 (
     const word& entryName
diff --git a/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.H b/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.H
index 5cab13a16d..0511c16734 100644
--- a/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.H
+++ b/src/OpenFOAM/db/functionObjects/stateFunctionObject/stateFunctionObject.H
@@ -125,6 +125,12 @@ public:
             //- Return true if the property exists
             bool foundProperty(const word& entryName) const;
 
+            //- Get the current trigger index
+            label getTrigger() const;
+
+            //- Set the current trigger index
+            bool setTrigger(const label triggeri);
+
             //- Set dictionary, return true if set
             bool getDict
             (
diff --git a/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.C b/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.C
index e31be0ce22..988a0464c4 100644
--- a/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.C
+++ b/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.C
@@ -51,6 +51,10 @@ void Foam::functionObjects::timeControl::readControls()
     {
         timeEnd_ = time_.userTimeToTime(timeEnd_);
     }
+
+    dict_.readIfPresent("triggerStart", triggerStart_);
+    dict_.readIfPresent("triggerEnd", triggerEnd_);
+
     deltaTCoeff_ = GREAT;
     if (dict_.readIfPresent("deltaTCoeff", deltaTCoeff_))
     {
@@ -70,9 +74,14 @@ void Foam::functionObjects::timeControl::readControls()
 
 bool Foam::functionObjects::timeControl::active() const
 {
+    label triggeri = time_.functionObjects().triggerIndex();
+
     return
-        time_.value() >= (timeStart_ - 0.5*time_.deltaTValue())
-     && time_.value() <= (timeEnd_ + 0.5*time_.deltaTValue());
+        (triggeri >= triggerStart_)
+     || (
+            time_.value() >= (timeStart_ - 0.5*time_.deltaTValue())
+         && time_.value() <= (timeEnd_ + 0.5*time_.deltaTValue())
+    );
 }
 
 
@@ -403,6 +412,8 @@ Foam::functionObjects::timeControl::timeControl
     dict_(dict),
     timeStart_(-VGREAT),
     timeEnd_(VGREAT),
+    triggerStart_(labelMin),
+    triggerEnd_(labelMax),
     nStepsToStartTimeChange_(labelMax),
     executeControl_(t, dict, "execute"),
     writeControl_(t, dict, "write"),
@@ -426,6 +437,8 @@ bool Foam::functionObjects::timeControl::entriesPresent(const dictionary& dict)
      || Foam::timeControl::entriesPresent(dict, "execute")
      || dict.found("timeStart")
      || dict.found("timeEnd")
+     || dict.found("triggerStart")
+     || dict.found("triggerEnd")
     )
     {
         return true;
diff --git a/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.H b/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.H
index 38e657b98e..679e59f92d 100644
--- a/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.H
+++ b/src/OpenFOAM/db/functionObjects/timeControl/timeControlFunctionObject.H
@@ -92,6 +92,12 @@ class timeControl
             //- De-activation time - defaults to VGREAT
             scalar timeEnd_;
 
+            //- Activation trigger index - defaults to labelMin
+            label triggerStart_;
+
+            //- De-activation trigger index - defaults to labelMax
+            label triggerEnd_;
+
             //- Max time step change
             scalar deltaTCoeff_;
 
diff --git a/src/functionObjects/utilities/runTimeControl/runTimeControl.C b/src/functionObjects/utilities/runTimeControl/runTimeControl.C
index 96e040c5b4..43e768e75f 100644
--- a/src/functionObjects/utilities/runTimeControl/runTimeControl.C
+++ b/src/functionObjects/utilities/runTimeControl/runTimeControl.C
@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2015 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2015-2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2015-2018 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -58,7 +58,9 @@ Foam::functionObjects::runTimeControls::runTimeControl::runTimeControl
     conditions_(),
     groupMap_(),
     nWriteStep_(0),
-    writeStepI_(0)
+    writeStepI_(0),
+    satisfiedAction_(satisfiedAction::end),
+    triggerIndex_(labelMin)
 {
     read(dict);
 }
@@ -99,7 +101,7 @@ bool Foam::functionObjects::runTimeControls::runTimeControl::read
 
         if (groupMap_.insert(groupi, uniqueGroupi))
         {
-            uniqueGroupi++;
+            ++uniqueGroupi;
         }
     }
 
@@ -116,9 +118,9 @@ bool Foam::functionObjects::runTimeControls::runTimeControl::read
     {
         // Check that at least one condition is active
         bool active = false;
-        forAll(conditions_, conditioni)
+        for (const auto& condition : conditions_)
         {
-            if (conditions_[conditioni].active())
+            if (condition.active())
             {
                 active = true;
                 break;
@@ -133,6 +135,21 @@ bool Foam::functionObjects::runTimeControls::runTimeControl::read
         }
     }
 
+    // Set the action to perform when all conditions are satisfied
+    // - set to end fro backwards compatibility with v1806
+    satisfiedAction_ =
+        satisfiedActionNames.lookupOrDefault
+        (
+            "satisfiedAction",
+            dict,
+            satisfiedAction::end
+        );
+
+    if (satisfiedAction_ == satisfiedAction::setTrigger)
+    {
+        triggerIndex_ = readLabel(dict.lookup("trigger"));
+    }
+
     return true;
 }
 
@@ -200,28 +217,39 @@ bool Foam::functionObjects::runTimeControls::runTimeControl::execute()
 
     if (done)
     {
-        forAll(IDs, conditioni)
+        for (label conditioni : IDs)
         {
             Info<< "    " << conditions_[conditioni].type() << ": "
-                <<  conditions_[conditioni].name()
+                << conditions_[conditioni].name()
                 << " condition satisfied" << nl;
         }
 
-
-        // Set to write a data dump or finalise the calculation
-        Time& time = const_cast<Time&>(time_);
-
-        if (writeStepI_ < nWriteStep_ - 1)
+        switch (satisfiedAction_)
         {
-            writeStepI_++;
-            Info<< "    Writing fields - step " << writeStepI_ << nl;
-            time.writeNow();
-        }
-        else
-        {
-            Info<< "    Stopping calculation" << nl
-                << "    Writing fields - final step" << nl;
-            time.writeAndEnd();
+            case satisfiedAction::end:
+            {
+                // Set to write a data dump or finalise the calculation
+                Time& time = const_cast<Time&>(time_);
+
+                if (writeStepI_ < nWriteStep_ - 1)
+                {
+                    ++writeStepI_;
+                    Info<< "    Writing fields - step " << writeStepI_ << nl;
+                    time.writeNow();
+                }
+                else
+                {
+                    Info<< "    Stopping calculation" << nl
+                        << "    Writing fields - final step" << nl;
+                    time.writeAndEnd();
+                    break;
+                }
+            }
+            case satisfiedAction::setTrigger:
+            {
+                setTrigger(triggerIndex_);
+                break;
+            }
         }
     }
     else
@@ -237,9 +265,9 @@ bool Foam::functionObjects::runTimeControls::runTimeControl::execute()
 
 bool Foam::functionObjects::runTimeControls::runTimeControl::write()
 {
-    forAll(conditions_, conditioni)
+    for (auto& condition : conditions_)
     {
-        conditions_[conditioni].write();
+        condition.write();
     }
 
     return true;
diff --git a/src/functionObjects/utilities/runTimeControl/runTimeControl.H b/src/functionObjects/utilities/runTimeControl/runTimeControl.H
index e3367ebbe6..8cd0037095 100644
--- a/src/functionObjects/utilities/runTimeControl/runTimeControl.H
+++ b/src/functionObjects/utilities/runTimeControl/runTimeControl.H
@@ -3,7 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2015-2016 OpenFOAM Foundation
-     \\/     M anipulation  | Copyright (C) 2016 OpenCFD Ltd.
+     \\/     M anipulation  | Copyright (C) 2016- OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -45,6 +45,7 @@ SourceFiles
 
 #include "fvMeshFunctionObject.H"
 #include "Map.H"
+#include "Enum.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -66,6 +67,21 @@ class runTimeControl
 :
     public fvMeshFunctionObject
 {
+public:
+
+    // Public enumerations
+
+        enum class satisfiedAction
+        {
+            end,
+            setTrigger
+        };
+
+        static Enum<satisfiedAction> satisfiedActionNames;
+
+
+private:
+
     // Private data
 
         //- List of conditions to satisfy
@@ -80,6 +96,13 @@ class runTimeControl
         //- Current number of steps written
         label writeStepI_;
 
+        //- Action to take when conditions are satified
+        satisfiedAction satisfiedAction_;
+
+        //- Trigger index if satisfiedAction is setTrigger
+        label triggerIndex_;
+
+
 
     // Private Member Functions