diff --git a/ereuse_devicehub/migrations/versions/51439cf24be8_change_trade_action.py b/ereuse_devicehub/migrations/versions/51439cf24be8_change_trade_action.py
new file mode 100644
index 00000000..f6c2b57d
--- /dev/null
+++ b/ereuse_devicehub/migrations/versions/51439cf24be8_change_trade_action.py
@@ -0,0 +1,65 @@
+"""change trade action
+
+Revision ID: 51439cf24be8
+Revises: eca457d8b2a4
+Create Date: 2021-03-15 17:40:34.410408
+
+"""
+from alembic import op
+from alembic import context
+from sqlalchemy.dialects import postgresql
+import sqlalchemy as sa
+import citext
+
+
+# revision identifiers, used by Alembic.
+revision = '51439cf24be8'
+down_revision = 'eca457d8b2a4'
+branch_labels = None
+depends_on = None
+
+
+def get_inv():
+    INV = context.get_x_argument(as_dictionary=True).get('inventory')
+    if not INV:
+        raise ValueError("Inventory value is not specified")
+    return INV
+
+def upgrade():
+    user_from_id = db.Column(UUID(as_uuid=True),
+                             db.ForeignKey(User.id),
+                             nullable=False,
+                             default=lambda: g.user.id)
+    user_from = db.relationship(User, primaryjoin=user_from_id == User.id)
+    user_from_comment = """The user that offers the device due this deal."""
+    user_to_id = db.Column(UUID(as_uuid=True),
+                           db.ForeignKey(User.id),
+                           nullable=False,
+                           default=lambda: g.user.id)
+    user_to = db.relationship(User, primaryjoin=user_to_id == User.id)
+    user_to_comment = """The user that gets the device due this deal."""
+    price = Column(Float(decimal_return_scale=2), nullable=True)
+    date = Column(db.TIMESTAMP(timezone=True))
+    user_to_string = Column(CIText())
+    user_from_string = Column(CIText())
+++++
+
+    op.create_table('trade',
+                    sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
+                    sa.Column('date', sa.TIMESTAMP(timezone=True), nullable=True),
+                    sa.Column('user_from_id', postgresql.UUID(as_uuid=True), nullable=True),
+                    sa.Column('user_to_id', postgresql.UUID(as_uuid=True), nullable=True),
+                    sa.Column('user_from_string', citext.CIText(), nullable=True),
+                    sa.Column('user_to_string', citext.CIText(), nullable=True),
+                    sa.Column('price', sa.Float(decimal_return_scale=4), nullable=True),
+
+                    sa.ForeignKeyConstraint(['id'], [f'{get_inv()}.action.id'], ),
+                    sa.ForeignKeyConstraint(['from_id'], [f'common.user.id'], ),
+                    sa.ForeignKeyConstraint(['to_id'], [f'common.user.id'], ),
+                    sa.PrimaryKeyConstraint('id'),
+                    schema=f'{get_inv()}'
+                    )
+
+
+def downgrade():
+    pass
diff --git a/ereuse_devicehub/resources/action/models.py b/ereuse_devicehub/resources/action/models.py
index 1211825b..704df56c 100644
--- a/ereuse_devicehub/resources/action/models.py
+++ b/ereuse_devicehub/resources/action/models.py
@@ -1446,34 +1446,43 @@ class Trade(JoinedTableMixin, ActionWithMultipleDevices):
     This class and its inheritors
     extend `Schema's Trade <http://schema.org/TradeAction>`_.
     """
+    user_from_id = db.Column(UUID(as_uuid=True),
+                             db.ForeignKey(User.id),
+                             nullable=False,
+                             default=lambda: g.user.id)
+    user_from = db.relationship(User, primaryjoin=user_from_id == User.id)
+    user_from_comment = """The user that offers the device due this deal."""
+    user_from_string = Column(CIText())
+    user_from_string_comment = """The user outsite of devicehub that offers the device."""
+    user_to_id = db.Column(UUID(as_uuid=True),
+                           db.ForeignKey(User.id),
+                           nullable=False,
+                           default=lambda: g.user.id)
+    user_to = db.relationship(User, primaryjoin=user_to_id == User.id)
+    user_to_comment = """The user that gets the device due this deal."""
+    user_to_string = Column(CIText())
+    user_to_string_comment = """The user outsite of devicehub that offers the device."""
+    price = Column(Float(decimal_return_scale=2), nullable=True)
+    date = Column(db.TIMESTAMP(timezone=True))
+
+
+class ActionTrade(Trade):
+    """ActionTrade Offer one lot for to do one Trade.
+    """
     shipping_date = Column(db.TIMESTAMP(timezone=True))
     shipping_date.comment = """When are the devices going to be ready
     for shipping?
     """
-    invoice_number = Column(CIText())
-    invoice_number.comment = """The id of the invoice so they can be linked."""
-    price_id = Column(UUID(as_uuid=True), ForeignKey(Price.id))
-    price = relationship(Price,
-                         backref=backref('trade', lazy=True, uselist=False),
-                         primaryjoin=price_id == Price.id)
-    price_id.comment = """The price set for this trade.
-    If no price is set it is supposed that the trade was
-    not payed, usual in donations.
-        """
-    to_id = Column(UUID(as_uuid=True), ForeignKey(Agent.id), nullable=False)
-    # todo compute the org
-    to = relationship(Agent,
-                      backref=backref('actions_to', lazy=True, **_sorted_actions),
-                      primaryjoin=to_id == Agent.id)
-    to_comment = """The agent that gets the device due this deal."""
-    confirms_id = Column(UUID(as_uuid=True), ForeignKey(Organize.id))
-    confirms = relationship(Organize,
-                            backref=backref('confirmation', lazy=True, uselist=False),
-                            primaryjoin=confirms_id == Organize.id)
-    confirms_id.comment = """An organize action that this association confirms.
-    For example, a ``Sell`` or ``Rent``
-    can confirm a ``Reserve`` action.
-    """
+    document_id = Column(CIText())
+    document_id.comment = """The id of one document like invoice so they can be linked."""
+    accepted_by_from = Column(Boolean)
+    accepted_by_to = Column(Boolean)
+    trade = db.Column(UUID(as_uuid=True),
+                      db.ForeignKey(Trade.id),
+                      nullable=True)
+    lot = db.Column(UUID(as_uuid=True),
+                    db.ForeignKey(Trade.id),
+                    nullable=True)
 
 
 class InitTransfer(Trade):