Documenting pipe communication.

1 files changed, 29 insertions, 0 deletions

diff --git a/docs/user_guide/utils/ready-made_scripts.md b/docs/user_guide/utils/ready-made_scripts.md
index 92a4502..a7b3057 100644
--- a/docs/user_guide/utils/ready-made_scripts.md
+++ b/docs/user_guide/utils/ready-made_scripts.md
@@ -17,6 +17,35 @@ Load and execute any ArContext from a JSON CONFIGURATION file
 python -m argaze CONFIGURATION
 ```
 
+### Send command
+
+Use -p option to enable pipe communication at given address:
+
+```shell
+python -m argaze post_processing_context.json -p /tmp/argaze
+```
+
+Then, in another console window, you can send any Python command into the pipe.
+
+For example:
+
+* Print context:
+```shell
+echo "print(context)" > /tmp/argaze
+```
+
+* Pause context processing:
+
+```shell
+echo "context.pause()" > /tmp/argaze
+```
+
+* Resume context processing:
+
+```shell
+echo "context.resume()" > /tmp/argaze
+```
+
 ## ArUco markers group exporter
 
 Detect DICTIONARY and SIZE ArUco markers inside a MOVIE frame then, export detected ArUco markers group as .obj file into an OUTPUT folder.