1. Description

It is designed to set up a chat in Facebook messenger.Consists of for general settings for integration with the Meta platform.

It consists of the following fields (Fig.1):

1. Name;
2. URI;
3. Flow;
4. App ID;
5. App Secret.

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Fig.1. Messenger Meta tab

1.1. Name

Here you enter the name that will be displayed in the registry of the Chat Gateways page.

1.2. URI

The unique URI of the account. Generated automatically and used to set up Facebook login.

Copy the value from the URI field. Go to Facebook Developer (developers.facebook.com/ ). Select Facebook Login by clicking the Settings button. Paste the copied value into the Valid OAuth Redirect URIs and Deauthorize callback URL fields (Fig.2). Click the Save Changes button.

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1.3. Flow

Here you choose which Flow will be processed when the Chat Gateway is used.

When you click on the  Flow field, a drop-down list opens from which the flow is selected. If the required flow is not in the drop-down list, use the Flow field as a search field.

How to create a new flow can be found here.

1.4. App ID

The data for this field is taken from the Facebook Developer in the application settings (Fig.3(1)).

1.5. App Secret

The data for this field is taken from the Facebook side in the application settings (Fig.3(2)).

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Fig. 3. Basic

2. Opportunities

2.1. Change settings

Goal	Change a Name/URI/App ID/App Secret
Preconditions	Access to the Admin application; Access to the Chat Gateways section in the Admin application; Permission to create or edit in the Chat gateways section; Have at least one Chat Gateway for Messenger or create a new one.
Steps	Click on the field you want to change. Make the necessary changes (the number can be set using the

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Image Added buttons). Click the Save button.
Result	Data saved.

2.2. Change a Flow 

3. Additional materials

3.1. Instructions

3.1.1. Create a chat in Messenger