add FBX recorder documentation

Author: vkovec

com.unity.formats.fbx/Documentation~/TableOfContents.md

@@ -3,6 +3,7 @@
 	* [FBX Linked Prefabs](prefabs)
 	* [Integration](integration)
 	* [FBX Export settings](options)
+    * [FBX Recorder](recorder)
 	* [Limitations](knownissues)
 	* [Troubleshooting](troubleshooting)
 	* [Developer's guide](devguide)

com.unity.formats.fbx/Documentation~/images/FBXExporter_AddRecorder.png

@@ -0,0 +1,27 @@
+# FBX Recorder
+
+With the FBX Exporter and the Unity Recorder, it is possible to export animations (including Cinemachine camera animations) directly to FBX in a few easy steps:
+
+1. Open the Recorder window by selecting (Window > General > Recorder > Recorder Window)
+2. In the Recorder window add a new FBX recorder
+
+![](images/FBXExporter_AddRecorder.png)
+
+3. Set the GameObject to record as well as any other desired settings
+4. Click "Start Recording" in the Recorder Window
+
+Alternatively, the FBX Recorder can be added as a track in the Timeline.
+
+## Fbx Recorder Settings
+
+![](images/FBXExporter_RecorderSettings.png)
+
+| Property:                     | Function:                                                    |
+| :---------------------------- | :----------------------------------------------------------- |
+| __Export Geometry__              | Check this option to export the geometry of the recorded GameObject to FBX, if any. |
+| __File Name__            | The filename for the exported FBX. |
+| __Path__                 | The path to export the FBX to. Can be outside of the Assets folder. |
+| __Take Number__          | The take number can be set and used in the filename. It automatically increments after each recording. |
+| __Game Object__ | Set the Game Object in the scene to record. |
+| __Recorded Target(s)__     | Select which components of the selected GameObject to record. |
+| __Recorded Hierarchy__     | Check to record other objects in the hierarchy of the GameObject in addition to the selected GameObject. |

com.unity.formats.fbx/Documentation~/images/FBXExporter_RecorderSettings.png

@@ -8,6 +8,7 @@ This section covers the following issues:
 * [Overwriting FBX files](#OverwritingFiles)
 * [Tree primitive no longer editable after conversion](#EditableTree)
 * [Trail and line particles lose material after being converted](#ParticlesLoseMaterial)
+* [Uninstalling FBX Exporter breaks Unity Recorder](#BrokenRecorder)
 
 
 
@@ -71,3 +72,15 @@ To avoid this, make sure to convert only the Tree when finished editing. Otherwi
 
 If you lose Materials when converting trail or line particles, you need to re-apply the Materials to the FBX Linked Prefab after conversion.
 
+
+
+<a name="BrokenRecorder"></a>
+
+## Uninstalling FBX Exporter breaks Unity Recorder
+
+If you are uninstalling the FBX Exporter package but would like to continue using the Unity Recorder make sure to first remove all existing FBX Recorders.
+You can do this by right clicking on the FBX recorders in the Recorder Window or Timeline and selecting "Delete".
+
+If you have already uninstalled the FBX Exporter package and are now having issues with the Unity Recorder, follow these steps:
+1. Reinstall the FBX Exporter package
+2. Find and remove all FBX recorder instances (right click and Delete from the Recorder Window and Timeline(s))