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Variable quantity in contract recurrent invoicing
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With this module, you will be able to define in recurring contracts some
lines with variable quantity according to a provided formula.

**Table of contents**

.. contents::
   :local:

Configuration
=============

1. Go to Invoicing > Configuration > Contracts > Formulas (quantity).

2. Define any formula based on Python code that stores at some moment a
   float/integer value of the quantity to invoice in the variable
   'result'.

   You can use these variables to compute your formula:

   - *env*: Environment variable for getting other models.
   - *context*: Current context dictionary.
   - *user*: Current user.
   - *line*: Contract recurring invoice line that triggers this formula.
   - *contract*: Contract whose line belongs to.
   - *invoice*: Invoice (header) being created.

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Usage
=====

To use this module, you need to:

1. Go to Invoicing > Customers > Customers Contracts and select or
   create a new contract.
2. Check *Generate recurring invoices automatically*.
3. Add a new recurring invoicing line.
4. Select "Variable quantity" in column "Qty. type".
5. Select one of the possible formulas to use (previously created).

Bug Tracker
===========

Bugs are tracked on `GitHub Issues <https://github.com/OCA/contract/issues>`_.
In case of trouble, please check there if your issue has already been reported.
If you spotted it first, help us to smash it by providing a detailed and welcomed
`feedback <https://github.com/OCA/contract/issues/new?body=module:%20contract_variable_quantity%0Aversion:%2017.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.

Do not contact contributors directly about support or help with technical issues.

Credits
=======

Authors
-------

* Tecnativa

Contributors
------------

- `Tecnativa <https://www.tecnativa.com>`__:

     - Pedro M. Baeza
     - Carlos Roca
     - Víctor Martínez
     - Carolina Fernandez
     - Juan José Seguí

- Dave Lasley <dave@laslabs.com>

- Souheil Bejaoui <souheil.bejaoui@acsone.eu>

Maintainers
-----------

This module is maintained by the OCA.

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OCA, or the Odoo Community Association, is a nonprofit organization whose
mission is to support the collaborative development of Odoo features and
promote its widespread use.

This module is part of the `OCA/contract <https://github.com/OCA/contract/tree/17.0/contract_variable_quantity>`_ project on GitHub.

You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
