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[DOC] workflows: added Signals section. 

bzr revid: vmt@openerp.com-20130723132751-lwn5r6y1m51jhj9o
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Vo Minh Thu 2013-07-23 15:27:51 +02:00
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doc/workflows.rst
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@ -113,6 +113,19 @@ defined:
Signals
'''''''
In addition of a condition, a transition can specify a signal name. When such
signal name is present, the transition will not be taken directly (even if the
condition evaluates to true). Instead the transition will block, waiting to be
woken up.
To wake up a transition with a defined signal name, the signal must be sent to
the workflow. A common way to send a signal is to use a button in the web
interface, using the ``<button/>`` element with the signal name as the ``name``
attribute of the button.
.. note:: The condition is still evaluated when the signal is sent to the
workflow instance.
Triggers
''''''''