diff -r e60b9a60b546 -r 174894a2293d src/pyams_content/locales/pyams_content.pot
--- a/src/pyams_content/locales/pyams_content.pot	Tue Apr 03 12:46:09 2018 +0200
+++ b/src/pyams_content/locales/pyams_content.pot	Tue Apr 03 14:53:57 2018 +0200
@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE 1.0\n"
-"POT-Creation-Date: 2018-03-23 11:00+0100\n"
+"POT-Creation-Date: 2018-04-03 14:35+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -116,7 +116,8 @@
 #: ./src/pyams_content/shared/common/zmi/types.py:457
 #: ./src/pyams_content/shared/imagemap/zmi/container.py:169
 #: ./src/pyams_content/shared/site/zmi/container.py:573
-#: ./src/pyams_content/root/zmi/sites.py:195
+#: ./src/pyams_content/root/zmi/sites.py:197
+#: ./src/pyams_content/features/alert/zmi/container.py:215
 msgid "No provided object_name argument!"
 msgstr ""
 
@@ -602,6 +603,8 @@
 
 #: ./src/pyams_content/component/paragraph/header.py:47
 #: ./src/pyams_content/component/paragraph/interfaces/header.py:40
+#: ./src/pyams_content/features/alert/interfaces.py:65
+#: ./src/pyams_content/features/alert/zmi/container.py:176
 msgid "Header"
 msgstr ""
 
@@ -652,7 +655,6 @@
 msgstr ""
 
 #: ./src/pyams_content/component/paragraph/zmi/milestone.py:357
-#: ./src/pyams_content/component/paragraph/zmi/pictogram.py:371
 #: ./src/pyams_content/component/association/zmi/__init__.py:292
 msgid "Given association name doesn't exist!"
 msgstr ""
@@ -802,6 +804,10 @@
 msgid "Pictogram was correctly added"
 msgstr ""
 
+#: ./src/pyams_content/component/paragraph/zmi/pictogram.py:371
+msgid "Given pictogram name doesn't exist!"
+msgstr ""
+
 #: ./src/pyams_content/component/paragraph/zmi/frame.py:84
 msgid "Framed text..."
 msgstr ""
@@ -826,27 +832,27 @@
 msgid "Edit verbatim paragraph properties"
 msgstr ""
 
-#: ./src/pyams_content/component/paragraph/zmi/html.py:77
+#: ./src/pyams_content/component/paragraph/zmi/html.py:78
 msgid "Raw HTML..."
 msgstr ""
 
-#: ./src/pyams_content/component/paragraph/zmi/html.py:88
+#: ./src/pyams_content/component/paragraph/zmi/html.py:89
 msgid "Add new raw HTML paragraph"
 msgstr ""
 
-#: ./src/pyams_content/component/paragraph/zmi/html.py:121
+#: ./src/pyams_content/component/paragraph/zmi/html.py:122
 msgid "Edit raw HTML paragraph properties"
 msgstr ""
 
-#: ./src/pyams_content/component/paragraph/zmi/html.py:192
+#: ./src/pyams_content/component/paragraph/zmi/html.py:193
 msgid "Rich text..."
 msgstr ""
 
-#: ./src/pyams_content/component/paragraph/zmi/html.py:203
+#: ./src/pyams_content/component/paragraph/zmi/html.py:204
 msgid "Add new rich text paragraph"
 msgstr ""
 
-#: ./src/pyams_content/component/paragraph/zmi/html.py:236
+#: ./src/pyams_content/component/paragraph/zmi/html.py:237
 msgid "Edit rich text paragraph properties"
 msgstr ""
 
@@ -880,6 +886,7 @@
 #: ./src/pyams_content/component/association/interfaces/__init__.py:43
 #: ./src/pyams_content/shared/form/interfaces/__init__.py:86
 #: ./src/pyams_content/shared/site/interfaces/__init__.py:107
+#: ./src/pyams_content/features/alert/interfaces.py:54
 msgid "Visible?"
 msgstr ""
 
@@ -966,10 +973,12 @@
 
 #: ./src/pyams_content/component/paragraph/interfaces/pictogram.py:47
 #: ./src/pyams_content/shared/common/interfaces/types.py:67
+#: ./src/pyams_content/features/alert/interfaces.py:79
 msgid "Pictogram"
 msgstr ""
 
 #: ./src/pyams_content/component/paragraph/interfaces/pictogram.py:48
+#: ./src/pyams_content/features/alert/interfaces.py:80
 msgid "Name of the pictogram to select"
 msgstr ""
 
@@ -3271,6 +3280,7 @@
 msgstr ""
 
 #: ./src/pyams_content/shared/imagemap/interfaces/__init__.py:93
+#: ./src/pyams_content/features/alert/interfaces.py:73
 msgid "Internal reference"
 msgstr ""
 
@@ -3326,7 +3336,7 @@
 msgid "Rent existing content"
 msgstr ""
 
-#: ./src/pyams_content/shared/site/zmi/link.py:139
+#: ./src/pyams_content/shared/site/zmi/link.py:140
 msgid "Edit content link properties"
 msgstr ""
 
@@ -3480,16 +3490,16 @@
 msgid "Logos template"
 msgstr ""
 
-#: ./src/pyams_content/shared/blog/zmi/__init__.py:49
+#: ./src/pyams_content/shared/blog/zmi/__init__.py:52
 msgid "This blog post"
 msgstr ""
 
-#: ./src/pyams_content/shared/blog/zmi/__init__.py:68
-#: ./src/pyams_content/shared/blog/zmi/__init__.py:78
+#: ./src/pyams_content/shared/blog/zmi/__init__.py:71
+#: ./src/pyams_content/shared/blog/zmi/__init__.py:81
 msgid "Add blog post"
 msgstr ""
 
-#: ./src/pyams_content/shared/blog/zmi/__init__.py:59
+#: ./src/pyams_content/shared/blog/zmi/__init__.py:62
 #, python-format
 msgid "Blog post « {title} »"
 msgstr ""
@@ -3551,7 +3561,7 @@
 msgid "Delete shared site"
 msgstr ""
 
-#: ./src/pyams_content/root/zmi/sites.py:199
+#: ./src/pyams_content/root/zmi/sites.py:205
 msgid "Given site name doesn't exist!"
 msgstr ""
 
@@ -4057,6 +4067,111 @@
 msgid "preview"
 msgstr ""
 
+#: ./src/pyams_content/features/alert/interfaces.py:40
+msgid "Success"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:41
+msgid "Information"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:42
+msgid "Warning"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:43
+msgid "Danger"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:55
+msgid "Is this alert visible in front-office?"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:59
+msgid "Alert gravity"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:60
+msgid "Alert gravity will affect rendered alert style"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:66
+msgid "Short alert header"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:69
+#: ./src/pyams_content/features/alert/zmi/container.py:188
+msgid "Message"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:70
+msgid "Alert message"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:74
+msgid ""
+"Internal link target reference. You can search a reference using '+' followed"
+" by internal number, of by entering text matching content title."
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:86
+msgid "Display start date"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:87
+msgid "First date at which alert should be displayed"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:90
+msgid "Display end date"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:91
+msgid "Last date at which alert should be displayed"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:94
+msgid "Maximum interval"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/interfaces.py:95
+msgid ""
+"Maximum interval between alert displays on a given device, given in hours; "
+"set to 0 to always display the alert"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/__init__.py:45
+msgid "Add alert"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/__init__.py:55
+msgid "Add new alert"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/__init__.py:82
+msgid "Edit alert properties"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/container.py:55
+msgid "Alerts"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/container.py:128
+msgid "Switch alert visibility"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/container.py:234
+msgid "Alert list"
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/container.py:93
+msgid "No currently defined alert."
+msgstr ""
+
+#: ./src/pyams_content/features/alert/zmi/container.py:223
+msgid "Given alert name doesn't exist!"
+msgstr ""
+
 #: ./src/pyams_content/features/review/__init__.py:186
 #, python-format
 msgid "Request comment: {comment}"