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How to pass arguments to a custom connector

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Posted on by ajs91

I have a CustomConnector working. This connector connects to a REST API using the CodeFlow authentication method and queries the REST API. This is currently hardcoded to a host but I would like to make it generic. For example, I pass in a server address to the connector and then it will connect with that server. I'd like it to be reusable.

I thought I saw somewhere if you use curly braces ({}) with a string in between, this acts as an argument to be passed to the connector.

Basically I want to make a connector reusable by passing arguments to the connector.

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Using flows

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tfhegdbn 149 on at

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I think you can go to support for a suitable solution:
https://preview.flow.microsoft.com/en-us/support/

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LeeHarris 1,026 on at

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Hi @ajs91

Yes you are correct, you can use variables defined in curly braces when setting up your Connector's requests. Flow will automatically add any value within { } as a parameter. You can then edit them to define things such as their type and whether or not they are required.

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ajs91 4 on at

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My issue is that I need to make the host an argument to be passed to the custom connector :

When I try this I get the error "Host does not support path templating"...

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LeeHarris 1,026 on at

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Hi @ajs91

I see the issue now. Unfortunately I'm not certain its possible to achieve this.

It may be worth raising on the ideas forum https://powerusers.microsoft.com/t5/Flow-Ideas/idb-p/FlowIdeas

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imichalarias 4 on at

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Did you solve this out? We are having the same issue! Thanx!

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SpencerCai 25 on at

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Hi Lee,
Is it possible to pass environment variable as parameter into URL?
Like I preset an environment variable mymovideid with value 12345, can I change the parameter {mymovieid} to env variable @environmentVar("mymovideid") ?
The final link will be https://api.themoviedb.org/3/movie/@environmentVar("mymovideid")

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AndersonLimabr 4 on at

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https://learn.microsoft.com/en-us/connectors/custom-connectors/environment-variables

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