diff --git a/src/services/DFGVariable.jl b/src/services/DFGVariable.jl
index 9ca42c2e..c04a491f 100644
--- a/src/services/DFGVariable.jl
+++ b/src/services/DFGVariable.jl
@@ -733,6 +733,27 @@ function mergeVariableState!(v::VariableCompute, vnd::VariableState)
     return 1
 end
 
+function mergeVariableStates!(
+    dfg::AbstractDFG,
+    varLabel_state_pairs::Vector{<:Pair{Symbol, <:VariableState}},
+)
+    cnt = asyncmap(varLabel_state_pairs) do (varLabel, state)
+        return mergeVariableState!(dfg, varLabel, state)
+    end
+    return sum(cnt)
+end
+
+function mergeVariableStates!(
+    dfg::AbstractDFG,
+    variableLabel::Symbol,
+    states::Vector{<:VariableState},
+)
+    cnt = asyncmap(states) do state
+        return mergeVariableState!(dfg, variableLabel, state)
+    end
+    return sum(cnt)
+end
+
 function copytoVariableState!(
     dfg::AbstractDFG,
     variableLabel::Symbol,
diff --git a/test/testBlocks.jl b/test/testBlocks.jl
index ba484c80..957705da 100644
--- a/test/testBlocks.jl
+++ b/test/testBlocks.jl
@@ -792,8 +792,8 @@ function VSDTestBlock!(fg, v1)
     @test mergeVariableState!(fg, :a, vnd) == 1
 
     # Bulk copy update x0
-    @test updateVariableSolverData!(fg, [v1], :default) == nothing
-
+    @test DFG.mergeVariableStates!(fg, [:a=>vnd]) == 1
+    @test DFG.mergeVariableStates!(fg, :a, [vnd]) == 1
     altVnd = vnd |> deepcopy
     keepVnd = getVariableState(getVariable(fg, :a), :parametric) |> deepcopy
     altVnd.infoPerCoord .= [-99.0;]