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-rw-r--r--docs/user_guide/utils/ready-made_scripts.md29
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diff --git a/docs/user_guide/utils/ready-made_scripts.md b/docs/user_guide/utils/ready-made_scripts.md
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+++ 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.