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   ====== Bindings 
   
  -Defore I get into the code I should call out the bindings and triggers that Azure provides for interacting with Functions. There is a function.json file that defines the configuration for a Function. The bindings sesiont of this json file tells Azure how the Function should be triggered and how it's output should be treated. Theres a simple example here: 
  +Defore I get into the code I should call out the https://docs.microsoft.com/en-us/azure/azure-functions/functions-triggers-bindings[bindings and triggers] that Azure provides for interacting with Functions. There is a https://github.com/Azure/azure-functions-host/wiki/function.json[function.json] file that defines the configuration for a Function. The bindings sesiont of this json file tells Azure how the Function should be triggered and how it's output should be treated. Theres a simple example here: 
   
   [source, json]
   ----
  
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  The runtime gives some good logs around which Functions have been detected and what URLs HTTP triggered Functions can be invoked from. 
  
  That’s all I'm going to cover in this part, in the next article I'll look at Functions that process the blob and Write to CosmosDB 
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  ==== Setup for local development 
  
  If you are using https://docs.microsoft.com/en-us/azure/azure-functions/functions-develop-vs[Visual Studio] you benefit from the tight developer experience that MS offer, in this article I'll be using VS Code on Ubuntu. 
  
  The https://github.com/Microsoft/vscode-azurefunctions[Azure Function extension] for VSCode is definitely worth looking into.
  image:azure_functions/part1/functions_extension_vscode.png[]
  
  To run the functions locally you will need the sdk https://www.nuget.org/packages/Microsoft.NET.Sdk.Functions[nuget] package and the Azure Functions https://github.com/Azure/azure-functions-core-tools[Core Tools] which offers a local runtime for Functions. 
  
  ==== Running the Functions 
  Running the functions on the local Function host is the same as running any other application once you have the prerequisites above setup. 
  