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I have a global variable called postcode that I have set in one topic.
In another topic I wish to ask for a postcode, I was hoping to reuse the global variable again so that regardless of topic when I set a users postcode then we will have the postcode set for the duration of their session with the bot.
Is this possible?
There is a way to set and reuse a global variable ... create a topic that has a single question like "what is your postcode" that stores the entered value in a global variable. From the topics where you want to use the postcode, simply refer to the global variable - if it's set already, you'll get the value it's set to; if it's not set, the user will be asked "what is your postcode" (using the topic with the single question) and you'll be able to use the result in your other topics.
Seems that global variables are "immutable" once set, but by isolating the "set the global value" in a single question topic, you can refer to the global value elsewhere without worrying about whether it's been set or not.
Hi @AdamHunt ,
Today, you just can reuse the global variable but you can't update that.
A bot variable's name must be unique across all topics. In the case of a conflict, you'll need to rename the variable before saving your change.
https://docs.microsoft.com/en-us/power-virtual-agents/authoring-variables-bot#set-bot-variables
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