Wizards - Defining and
Launching in Odoo 15
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INTRODUCTION
 This slide explains about the Wizards: Defining and Launching in Odoo. Wizards describe
interactive sessions with the user (or dialog boxes) through dynamic forms.
 A wizard is simply a model that extends the class Transient Model instead of Model.
Wizard records are not meant to be persistent; they are automatically deleted from the
database after a certain time. This is why they are called transient.
 Wizard models do not require explicit access rights: users have all permissions on wizard
records.
 Wizard records may refer to regular records or wizard records through many2one fields, but
regular records cannot refer to wizard records through a many2one field.

Transient models:
 It’s based on models. TransientModel class. Data stored in the database is
temporary in this class. It periodically clears the data from the database table.
 Data in the wizard requires only temporary storage so Odoo uses a transient
model, where data is stored temporarily.

Characteristics of the transient model:
 Records in the wizard require only temporary storage, so they are deleted after some time from the
database.
 Users have all permissions on wizard records, they don’t require explicit access rights.
 Records in the wizard can refer through many2one fields or to regular records, but regular records
cannot refer through many2one fields or to wizard records.

Define a wizard

Define the View

Define an Action

 res_model: Model of the wizard that has to appear.
 view_id: xml view of the wizard.
 view_mode: wizard appears in the form view so it is form.

UI View of the wizard

For More
Details
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Odoo Book V15
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Wizards - Defining and Launching in Odoo 15

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