diff --git a/co-deduplicate/deduplicate.ini b/co-deduplicate/deduplicate.ini
new file mode 100644
index 0000000..f79bc08
--- /dev/null
+++ b/co-deduplicate/deduplicate.ini
@@ -0,0 +1,48 @@
+# OpenAPI Documentation - JSON format (dot notation)
+post.responses.default.description = Return all objects with enrich fields
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.summary = Enrich one field of each Object with a Python function
+post.requestBody.required = true
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.parameters.0.in = query
+post.parameters.0.name = path
+post.parameters.0.schema.type = string
+post.parameters.0.description = The path in each object to enrich with an Python script
+post.parameters.1.in = query
+post.parameters.1.name = indent
+post.parameters.1.schema.type = boolean
+post.parameters.1.description = Indent or not the JSON Result
+
+
+[use]
+plugin = @ezs/local
+plugin = @ezs/basics
+plugin = @ezs/storage
+plugin = @ezs/analytics
+
+[JSONParse]
+separator = *
+
+[expand]
+path = env('path', 'value')
+size = 100
+
+# in production mode, uncomment the following line
+# cache = boost
+
+[expand/exec]
+# command should be executable !
+command = ./expand.py
+args = fix('--url')
+args = env('--url',"http://vp-conditor-es.intra.inist.fr:9200")
+args = fix('--index')
+args = env('--index','records-202012')
+args = fix('--size')
+args = env('--size','100')
+; args = fix('--http_proxy')
+; args = env('--http_proxy','')
+; args = fix('--https_proxy')
+; args = env('--https_proxy','')
+
+[dump]
+indent = env('indent', false)