diff --git a/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java b/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java
index 80eabeb..08fd9c0 100644
--- a/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java
+++ b/AlgebraicDataflowArchitectureModel/src/generators/CodeGeneratorFromDataFlowGraph.java
@@ -2609,6 +2609,10 @@
 												pathParams.add("\" + " + pathExp.toImplementation(sideEffects) + " + \"");
 											}
 											generatePullDataTransfer(input, refResourceName, ref.getResourceHierarchy().toResourcePath(pathParams), refResourceType, true, platformSpec, langSpec);
+											if (component != null && !((RestApiSpecific) platformSpec).hasHttpClientFieldDeclaration(component)) {
+												// Declare a client field to connect to the destination resource of push transfer.
+												((RestApiSpecific) platformSpec).addHttpClientFieldDeclaration(component);
+											}
 										} else {
 											Expression refGetter = getPullAccessor(platformSpec).getDirectStateAccessorFor(ref, dstRes);
 											String refExp = refGetter.toImplementation(sideEffects);
@@ -2808,6 +2812,10 @@
 														String parentResName = langSpec.toVariableName(getComponentName(insideResPath.getResourceHierarchy(), langSpec));
 														String parentResPath = insideResPath.toResourcePath().replaceAll(":.*\\}","\\}").replaceAll("\\{", "\"+").replaceAll("\\}", "+\"");
 														generatePullDataTransfer(input, parentResName, parentResPath, parentResType, true, platformSpec, langSpec);
+														if (component != null && !((RestApiSpecific) platformSpec).hasHttpClientFieldDeclaration(component)) {
+															// Declare a client field to connect to the destination resource of push transfer.
+															((RestApiSpecific) platformSpec).addHttpClientFieldDeclaration(component);
+														}
 													}
 												}
 											} else if (selExp instanceof Term) {