Condition nodes

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jolav151's picture
Condition nodes

I am currently looking for an example on how to use condition nodes in the workflow editor. There is little informations on the documentation :
Condition nodes are used when the path of a process needs to be determined by checking specified conditions using a script. It can also automatically change statuses of other nodes. The condition check should either return True or False, or a list of the output streams. For example, if the conditional checks return "False", it will set the status of the previous node to Revise.
What i'm trying to do is sending an approval task when the estimated price of a quotation (entered in a form) exceed a certain amount.
Anybody have an example I could reuse?