diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..69a5bc0
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.12 (Course_FirstProject) (3)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12 (Course_FirstProject) (3)" project-jdk-type="Python SDK" />
+  <component name="PyCharmProfessionalAdvertiser">
+    <option name="shown" value="true" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..4c5b10c
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/to_inventory.iml" filepath="$PROJECT_DIR$/.idea/to_inventory.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/to_inventory.iml b/.idea/to_inventory.iml
new file mode 100644
index 0000000..8b8c395
--- /dev/null
+++ b/.idea/to_inventory.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PyDocumentationSettings">
+    <option name="format" value="PLAIN" />
+    <option name="myDocStringFormat" value="Plain" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/back/api/inventory/models.py b/back/api/inventory/models.py
index 71a8362..71856c8 100644
--- a/back/api/inventory/models.py
+++ b/back/api/inventory/models.py
@@ -1,3 +1,18 @@
 from django.db import models
 
-# Create your models here.
+   class Counter_agent(models.Model):
+       id = models.AutoField(primary_key=True)
+
+       def __str__(self):
+           return f' Counter_agent {self.id}'
+
+   class element(models.Model):
+       id = models.AutoField(primary_key=True)
+       external_id = models.IntegerField()
+       type = models.CharField(max_length=100)
+       photo = models.ImageField(upload_to='.')
+       dop_text = models.TextField()
+       Counter_agent = models.ForeignKey(Counter_agent, related_name='element', on_delete=models.CASCADE)
+
+       def __str__(self):
+           return f' element {self.id} (Counter_agent {self.Counter_agent.id})'
\ No newline at end of file
diff --git a/back/api/settings.py b/back/api/settings.py
index 2d14f31..64f0f55 100644
--- a/back/api/settings.py
+++ b/back/api/settings.py
@@ -37,6 +37,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'inventory.apps.PostsConfig'
 ]
 
 MIDDLEWARE = [