diff --git a/gui/tests/artifacts.js b/gui/tests/artifacts.js
index d8c45b6ba705524a681d453ea66aba0a3bd7857b..c52a98efaa04842cc07d869cdf4aa5803a8a473d 100644
--- a/gui/tests/artifacts.js
+++ b/gui/tests/artifacts.js
@@ -3689,7 +3689,7 @@ window.nomadArtifacts = {
     },
     "results.method.measurement.xrd.diffraction_method_name": {
       "name": "diffraction_method_name",
-      "description": "The diffraction method used to obtain the diffraction pattern.\n| X-Ray Diffraction Method                                   | Description                                                                                                                                                                                                 |\n|------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **Powder X-Ray Diffraction (PXRD)**                        | The term \"powder\" refers more to the random orientation of small crystallites than to the physical form of the sample. Can be used with non-powder samples if they present random crystallite orientations. |\n| **Single Crystal X-Ray Diffraction (SCXRD)**               | Used for determining the atomic structure of a single crystal.                                                                                                                                              |\n| **High-Resolution X-Ray Diffraction (HRXRD)**              | A technique typically used for detailed characterization of epitaxial thin films using precise diffraction measurements.                                                                                    |\n| **Small-Angle X-Ray Scattering (SAXS)**                    | Used for studying nanostructures in the size range of 1-100 nm. Provides information on particle size, shape, and distribution.                                                                             |\n| **X-Ray Reflectivity (XRR)**                               | Used to study thin film layers, interfaces, and multilayers. Provides info on film thickness, density, and roughness.                                                                                       |\n| **Grazing Incidence X-Ray Diffraction (GIXRD)**            | Primarily used for the analysis of thin films with the incident beam at a fixed shallow angle.                                                                                                              |",
+      "description": "The diffraction method used to obtain the diffraction pattern.\n| X-Ray Diffraction Method                                   | Description                                                                                                                                                                                                 |\n|------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **Powder X-Ray Diffraction (PXRD)**                        | The term \"powder\" refers more to the random orientation of small crystallites than to the physical form of the sample. Can be used with non-powder samples if they present random crystallite orientations. |\n| **Single Crystal X-Ray Diffraction (SCXRD)**               | Used for determining the atomic structure of a single crystal.                                                                                                                                              |\n| **High-Resolution X-Ray Diffraction (HRXRD)**              | A technique typically used for detailed characterization of epitaxial thin films using precise diffraction measurements.                                                                                    |\n| **Small-Angle X-Ray Scattering (SAXS)**                    | Used for studying nanostructures in the size range of 1-100 nm. Provides information on particle size, shape, and distribution.                                                                             |\n| **X-Ray Reflectivity (XRR)**                               | Used to study thin film layers, interfaces, and multilayers. Provides info on film thickness, density, and roughness.                                                                                       |\n| **Grazing Incidence X-Ray Diffraction (GIXRD)**            | Primarily used for the analysis of thin films with the incident beam at a fixed shallow angle.                                                                                                              |\n| **Reciprocal Space Mapping (RSM)**                         | High-resolution XRD method to measure diffracted intensity in a 2-dimensional region of reciprocal space. Provides information about the real-structure (lattice mismatch, domain structure, stress and defects) in single-crystalline and epitaxial samples.|",
       "type": {
         "type_kind": "Enum",
         "type_data": [
@@ -3699,6 +3699,7 @@ window.nomadArtifacts = {
           "Small-Angle X-Ray Scattering (SAXS)",
           "X-Ray Reflectivity (XRR)",
           "Grazing Incidence X-Ray Diffraction (GIXRD)",
+          "Reciprocal Space Mapping (RSM)",
           "unavailable"
         ]
       },
@@ -35768,7 +35769,7 @@ window.nomadArtifacts = {
                   ]
                 },
                 "name": "diffraction_method_name",
-                "description": "The diffraction method used to obtain the diffraction pattern.\n| X-Ray Diffraction Method                                   | Description                                                                                                                                                                                                 |\n|------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **Powder X-Ray Diffraction (PXRD)**                        | The term \"powder\" refers more to the random orientation of small crystallites than to the physical form of the sample. Can be used with non-powder samples if they present random crystallite orientations. |\n| **Single Crystal X-Ray Diffraction (SCXRD)**               | Used for determining the atomic structure of a single crystal.                                                                                                                                              |\n| **High-Resolution X-Ray Diffraction (HRXRD)**              | A technique typically used for detailed characterization of epitaxial thin films using precise diffraction measurements.                                                                                    |\n| **Small-Angle X-Ray Scattering (SAXS)**                    | Used for studying nanostructures in the size range of 1-100 nm. Provides information on particle size, shape, and distribution.                                                                             |\n| **X-Ray Reflectivity (XRR)**                               | Used to study thin film layers, interfaces, and multilayers. Provides info on film thickness, density, and roughness.                                                                                       |\n| **Grazing Incidence X-Ray Diffraction (GIXRD)**            | Primarily used for the analysis of thin films with the incident beam at a fixed shallow angle.                                                                                                              |",
+                "description": "The diffraction method used to obtain the diffraction pattern.\n| X-Ray Diffraction Method                                   | Description                                                                                                                                                                                                 |\n|------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **Powder X-Ray Diffraction (PXRD)**                        | The term \"powder\" refers more to the random orientation of small crystallites than to the physical form of the sample. Can be used with non-powder samples if they present random crystallite orientations. |\n| **Single Crystal X-Ray Diffraction (SCXRD)**               | Used for determining the atomic structure of a single crystal.                                                                                                                                              |\n| **High-Resolution X-Ray Diffraction (HRXRD)**              | A technique typically used for detailed characterization of epitaxial thin films using precise diffraction measurements.                                                                                    |\n| **Small-Angle X-Ray Scattering (SAXS)**                    | Used for studying nanostructures in the size range of 1-100 nm. Provides information on particle size, shape, and distribution.                                                                             |\n| **X-Ray Reflectivity (XRR)**                               | Used to study thin film layers, interfaces, and multilayers. Provides info on film thickness, density, and roughness.                                                                                       |\n| **Grazing Incidence X-Ray Diffraction (GIXRD)**            | Primarily used for the analysis of thin films with the incident beam at a fixed shallow angle.                                                                                                              |\n| **Reciprocal Space Mapping (RSM)**                         | High-resolution XRD method to measure diffracted intensity in a 2-dimensional region of reciprocal space. Provides information about the real-structure (lattice mismatch, domain structure, stress and defects) in single-crystalline and epitaxial samples.|",
                 "type": {
                   "type_kind": "Enum",
                   "type_data": [
@@ -35778,6 +35779,7 @@ window.nomadArtifacts = {
                     "Small-Angle X-Ray Scattering (SAXS)",
                     "X-Ray Reflectivity (XRR)",
                     "Grazing Incidence X-Ray Diffraction (GIXRD)",
+                    "Reciprocal Space Mapping (RSM)",
                     "unavailable"
                   ]
                 }
diff --git a/nomad/datamodel/results.py b/nomad/datamodel/results.py
index 9d3de6b76e10b94f58d359a6dce22cfab512fa83..c7abafac100ced82cb840a192a4a86ac52995a08 100644
--- a/nomad/datamodel/results.py
+++ b/nomad/datamodel/results.py
@@ -2118,6 +2118,7 @@ class XRDMethod(MSection):
                 'Small-Angle X-Ray Scattering (SAXS)',
                 'X-Ray Reflectivity (XRR)',
                 'Grazing Incidence X-Ray Diffraction (GIXRD)',
+                'Reciprocal Space Mapping (RSM)',
                 config.services.unavailable_value,
             ]
         ),
@@ -2131,6 +2132,7 @@ class XRDMethod(MSection):
         | **Small-Angle X-Ray Scattering (SAXS)**                    | Used for studying nanostructures in the size range of 1-100 nm. Provides information on particle size, shape, and distribution.                                                                             |
         | **X-Ray Reflectivity (XRR)**                               | Used to study thin film layers, interfaces, and multilayers. Provides info on film thickness, density, and roughness.                                                                                       |
         | **Grazing Incidence X-Ray Diffraction (GIXRD)**            | Primarily used for the analysis of thin films with the incident beam at a fixed shallow angle.                                                                                                              |
+        | **Reciprocal Space Mapping (RSM)**                         | High-resolution XRD method to measure diffracted intensity in a 2-dimensional region of reciprocal space. Provides information about the real-structure (lattice mismatch, domain structure, stress and defects) in single-crystalline and epitaxial samples.|
         """,
         a_elasticsearch=[
             Elasticsearch(material_entry_type),