diff --git a/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/GroovyConstants.java b/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/GroovyConstants.java
index 3c293ab165..4f0200bb57 100644
--- a/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/GroovyConstants.java
+++ b/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/GroovyConstants.java
@@ -69,6 +69,11 @@ public interface GroovyConstants {
 	 */
 	public static final String BINDING_INSTANCE_INDEX = "_instanceIndex";
 
+	/**
+	 * Name of the service provider in the binding.
+	 */
+	public static final String BINDING_SERVICE_PROVIDER = "_serviceProvider";
+
 	/**
 	 * Name of the helper functions accessor.
 	 */
diff --git a/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/internal/GroovyUtil.java b/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/internal/GroovyUtil.java
index 66107c00a4..46225eb9e9 100644
--- a/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/internal/GroovyUtil.java
+++ b/cst/plugins/eu.esdihumboldt.cst.functions.groovy/src/eu/esdihumboldt/cst/functions/groovy/internal/GroovyUtil.java
@@ -305,6 +305,8 @@ public static Binding createBinding(InstanceBuilder builder, Cell cell, Cell typ
 		binding.setVariable(BINDING_INSTANCE_INDEX,
 				executionContext.getService(InstanceIndexService.class));
 
+		binding.setVariable(BINDING_SERVICE_PROVIDER, executionContext);
+
 		return binding;
 	}
 }