diff --git a/entity/Document_entity/Document_entity.aod b/entity/Document_entity/Document_entity.aod
index 9c5bab5bdbc546fed183346758af0d40ff54ba55..a7cac405089004b936b3c2479eef7f00675f1460 100644
--- a/entity/Document_entity/Document_entity.aod
+++ b/entity/Document_entity/Document_entity.aod
@@ -117,6 +117,7 @@
       <name>IS_MAIN_DOCUMENT</name>
       <title>Main document</title>
       <contentType>BOOLEAN</contentType>
+      <placeholderProcess>%aditoprj%/entity/Document_entity/entityfields/is_main_document/placeholderProcess.js</placeholderProcess>
       <dropDownProcess>%aditoprj%/entity/Document_entity/entityfields/is_main_document/dropDownProcess.js</dropDownProcess>
       <valueProcess>%aditoprj%/entity/Document_entity/entityfields/is_main_document/valueProcess.js</valueProcess>
       <onValueChange>%aditoprj%/entity/Document_entity/entityfields/is_main_document/onValueChange.js</onValueChange>
diff --git a/entity/Document_entity/entityfields/is_main_document/placeholderProcess.js b/entity/Document_entity/entityfields/is_main_document/placeholderProcess.js
new file mode 100644
index 0000000000000000000000000000000000000000..8b541d6a62aef80de1307ed68f9344719ec9febb
--- /dev/null
+++ b/entity/Document_entity/entityfields/is_main_document/placeholderProcess.js
@@ -0,0 +1,4 @@
+import("system.translate");
+import("system.result");
+
+result.string(translate.text("Main document"));
\ No newline at end of file