diff --git a/docs/src/installation.rst b/docs/src/installation.rst
index 57f624dc7..868b7aef2 100644
--- a/docs/src/installation.rst
+++ b/docs/src/installation.rst
@@ -54,4 +54,16 @@ using this compiler
     conda create -n myenv gxx_linux-64 cmake zmq
     conda activate myenv
     cmake ../slsDetectorPackage -DCMAKE_PREFIX_PATH=$CONDA_PREFIX
-    make -j12
\ No newline at end of file
+    make -j12
+
+
+Build this documentation
+-------------------------------
+
+The documentation for the slsDetectorPackage is build using a combination 
+of Doxygen, Sphinx and Breathe. The easiest way to install the dependencies
+is to use conda 
+
+.. code-block:: bash
+
+    conda create -n myenv python sphinx sphinx_rtd_theme
\ No newline at end of file
diff --git a/python/src/detector.cpp b/python/src/detector.cpp
index d14258e8b..09a69668d 100644
--- a/python/src/detector.cpp
+++ b/python/src/detector.cpp
@@ -99,6 +99,12 @@ void init_det(py::module &m) {
                 void (*)(detectorData *, uint64_t, uint32_t, void *), void *)) &
                 Detector::registerDataCallback,
             py::arg(), py::arg())
+        .def("getGapPixelsinCallback",
+             (bool (Detector::*)()) & Detector::getGapPixelsinCallback)
+        .def("setGapPixelsinCallback",
+             (void (Detector::*)(const bool)) &
+                 Detector::setGapPixelsinCallback,
+             py::arg())
         .def("getNumberOfFrames",
              (Result<int64_t>(Detector::*)(sls::Positions)) &
                  Detector::getNumberOfFrames,
@@ -246,6 +252,10 @@ void init_det(py::module &m) {
              (Result<int>(Detector::*)(sls::Positions)) &
                  Detector::getHighVoltage,
              py::arg() = Positions{})
+        .def("setHighVoltage",
+             (void (Detector::*)(int, sls::Positions)) &
+                 Detector::setHighVoltage,
+             py::arg(), py::arg() = Positions{})
         .def("getPowerChip",
              (Result<bool>(Detector::*)(sls::Positions)) &
                  Detector::getPowerChip,
@@ -254,9 +264,13 @@ void init_det(py::module &m) {
              (void (Detector::*)(bool, sls::Positions)) &
                  Detector::setPowerChip,
              py::arg(), py::arg() = Positions{})
-        .def("setHighVoltage",
-             (void (Detector::*)(int, sls::Positions)) &
-                 Detector::setHighVoltage,
+        .def("getImageTestMode",
+             (Result<int>(Detector::*)(sls::Positions)) &
+                 Detector::getImageTestMode,
+             py::arg() = Positions{})
+        .def("setImageTestMode",
+             (void (Detector::*)(const int, sls::Positions)) &
+                 Detector::setImageTestMode,
              py::arg(), py::arg() = Positions{})
         .def("getTemperature",
              (Result<int>(Detector::*)(defs::dacIndex, sls::Positions)) &
@@ -685,13 +699,6 @@ void init_det(py::module &m) {
              (void (Detector::*)(const std::string &, sls::Positions)) &
                  Detector::loadTrimbits,
              py::arg(), py::arg() = Positions{})
-        .def("getRxAddGapPixels",
-             (Result<bool>(Detector::*)(sls::Positions)) &
-                 Detector::getRxAddGapPixels,
-             py::arg() = Positions{})
-        .def("setRxAddGapPixels",
-             (void (Detector::*)(bool)) & Detector::setRxAddGapPixels,
-             py::arg())
         .def("getParallelMode",
              (Result<bool>(Detector::*)(sls::Positions)) &
                  Detector::getParallelMode,
@@ -889,14 +896,6 @@ void init_det(py::module &m) {
              (void (Detector::*)(defs::externalSignalFlag, sls::Positions)) &
                  Detector::setExternalSignalFlags,
              py::arg(), py::arg() = Positions{})
-        .def("getImageTestMode",
-             (Result<int>(Detector::*)(sls::Positions)) &
-                 Detector::getImageTestMode,
-             py::arg() = Positions{})
-        .def("setImageTestMode",
-             (void (Detector::*)(const int, sls::Positions)) &
-                 Detector::setImageTestMode,
-             py::arg(), py::arg() = Positions{})
         .def("getNumberOfBursts",
              (Result<int64_t>(Detector::*)(sls::Positions)) &
                  Detector::getNumberOfBursts,
@@ -1190,11 +1189,13 @@ void init_det(py::module &m) {
                  Detector::setPatternBitMask,
              py::arg(), py::arg() = Positions{})
         .def("getAdditionalJsonHeader",
-             (Result<std::string>(Detector::*)(sls::Positions)) &
+             (Result<std::map<std::string, std::string>>(Detector::*)(
+                 sls::Positions)) &
                  Detector::getAdditionalJsonHeader,
              py::arg() = Positions{})
         .def("setAdditionalJsonHeader",
-             (void (Detector::*)(const std::string &, sls::Positions)) &
+             (void (Detector::*)(const std::map<std::string, std::string> &,
+                                 sls::Positions)) &
                  Detector::setAdditionalJsonHeader,
              py::arg(), py::arg() = Positions{})
         .def("getAdditionalJsonParameter",