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In this lecture, we are going to create a service with the help of U.S. ally.

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The service will be created inside the app directory.

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That might sound strange since we have the shared module.

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Typically, it's recommended to define components, directives and pipes inside a shared module.

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We can define services and other modules.

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But if the service is available globally, we should declare them in the app module inside the command

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line.

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We will run the following command energy generate service services slash mode all.

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The Service Sub Command will instruct Angular to create a service.

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This command is followed by the name of the file.

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In this example, we are creating a folder called services before creating the mobile service.

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We are going to organize our global services in a single directory.

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After running this command, two files should have been created.

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The first file is the service itself.

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We can find it inside these services folder under the name modal dot service.

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That's.

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The other file is called Modal Dot Service Dot suspects.

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This is a test file, which we will be ignoring.

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We are going to focus solely on the service class files.

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Everything inside this file is pretty normal, except for this decorator called injectable.

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We will talk about this decorator in a future lecture.

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For now, we will leave it in place.

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Let's begin using our service in the next set of lectures.