diff --git a/source/fusiondirectory/development/documentation/PHPDoc.rst b/source/fusiondirectory/development/documentation/PHPDoc.rst
new file mode 100644
index 0000000000000000000000000000000000000000..dc8e1116d88c70d455d4d4aafbb7635d4d94cf3a
--- /dev/null
+++ b/source/fusiondirectory/development/documentation/PHPDoc.rst
@@ -0,0 +1,28 @@
+Doxygen
+=======
+
+We are using a tool named doxygen which is fantastic to read documented code and offers a visual
+reprensentation of the interaction of classes and methods.
+
+If well documented, the visuals helps to quicker understand the codes.
+
+How to document your code
+-------------------------
+
+**Within your methods**
+
+You may comment your code inline above your line of code in order to make a clear message on what/why/how
+your below code is performing.
+
+**Above your methods**
+
+We use PHPdoc to get an harmonious documentation withing the code.
+It basically start like this :
+/**
+* Your comment here.
+*/
+
+Within that comment block we defined : variables and return types.
+We mandate our developpers to use strict type and we enforce it in php 8.2+
+
+On tope of your
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diff --git a/source/fusiondirectory/development/documentation/index.rst b/source/fusiondirectory/development/documentation/index.rst
new file mode 100644
index 0000000000000000000000000000000000000000..7dd5ca6589b4aced66b6c76a7c5ce05a81c281bd
--- /dev/null
+++ b/source/fusiondirectory/development/documentation/index.rst
@@ -0,0 +1,10 @@
+Writing documentation within your code
+=======================================
+
+You can properly write documentation within your code.
+This is our guidelines
+
+.. toctree::
+   :maxdepth: 2
+
+   PHPDoc
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diff --git a/source/fusiondirectory/development/index.rst b/source/fusiondirectory/development/index.rst
index 9f76840c5e27ee729493dae639cf9298daddcefa..584616ada701dc82e1a7f2ebaf0312bd8b307fe0 100644
--- a/source/fusiondirectory/development/index.rst
+++ b/source/fusiondirectory/development/index.rst
@@ -9,3 +9,4 @@ Development
    codingstyle/index.rst
    writeplugin/index.rst   
    api/index.rst
+   documentation/index.rst