# Functions
CheckFormKeyAndGetPackageServiceConnection a frequently used template is placed in a separate function.
CheckFormKeyAndGetUserServiceConnection a frequently used template is placed in a separate function.
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CheckPostKeysExist Checks if the required keys are in the form.
ConnectToPackageService Connecting to the user microservice.
ConnectToUserService Connecting to the user microservice.
CreateResponse Creates and sends a response to the client.
GetFormData Returns form data.
SendResponseError Returns an error response.