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-rw-r--r--docs/automation/vyos-api.rst32
1 files changed, 32 insertions, 0 deletions
diff --git a/docs/automation/vyos-api.rst b/docs/automation/vyos-api.rst
index 8fad05ca..60247fae 100644
--- a/docs/automation/vyos-api.rst
+++ b/docs/automation/vyos-api.rst
@@ -125,6 +125,38 @@ For example, get the addresses of a ``dum0`` interface.
"error": null
}
+To check existence of a configuration path, use the ``exists`` operation.
+
+For example, check an existing path:
+
+.. code-block:: none
+
+ curl -k --location --request POST 'https://vyos/retrieve' \
+ --form data='{"op": "exists", "path": ["service","https","api"]}' \
+ --form key='MY-HTTPS-API-PLAINTEXT-KEY'
+
+ response:
+ {
+ "success": true,
+ "data": true,
+ "error": null
+ }
+
+versus a non-existent path:
+
+.. code-block:: none
+
+ curl -k --location --request POST 'https://vyos/retrieve' \
+ --form data='{"op": "exists", "path": ["service","non","existent","path"]}' \
+ --form key='MY-HTTPS-API-PLAINTEXT-KEY'
+
+ response:
+ {
+ "success": true,
+ "data": false,
+ "error": null
+ }
+
/reset
======