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Table of Contents

Section overview

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Provisioning API provides a mechanism for a real-time integration with 3rd party systems, including softswitches, gateways, and CRM systems. It calls pre-defined handlers on an occurrence of specific events in the system. The handlers are allowed to modify data, forbid or allow the action or simply process given event.

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Screenshot: Provisioning section

Column Name	Description
ID	Handler's identification number
Priority	Priority of handlers execution
Name	Handler's title
Event	Description of the handler event
Handler	Category of the handler that is used and location. There are two types of handlers that can be used: HTTP scripts, called via POST requests (used in most cases) Local server scripts, called locally on the server (used in very specific cases)

The list of section functional buttons/icons is as follows:

Button/Icon	Description
	Allows creating a new handler
	Identifies a disabled status of a handler
	Identifies an enabled status of a handler
	Identifies an *archived* status of a handler
	Allows viewing details of a target handlers' performance Execution Logs tab for a respective handler
	Allows deleting a handler from the system

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Tip

For a quick switch between enabled and disabled statuses, click on a respective status icon in the section. However, to change archived status, you need to do it from a hander handler edit form

Advanced Search

Advanced Search drop-down menu, located in the top right corner of the section, is called to facilitate an easy access to required information. By clicking on on a red downwards arrow icon, the following drop-down menu is displayed:

Screenshot: Advanced Search drop-down menu

Field

Description

Event

Select from a list of all possible handler events

Handler Type

Indicate a type of handler:

script

http

Status

Choose a target status:

Enabled

Desabled

Archived

or leave this field blank. In this case, both enabled and disabled handlers will be displayed. This field is empty by default

Creating a New Handler

To start with provisioning, you need to create a handler manually. Press Click the New Handler button and specify respective parameters of in the appeared pop-up window:

Screenshot: Provisioning section/Handler adding form

Field	Description
*Name*	Specify a particular title for a handler
Event	Specify a handler event from the following list:
	Clients	create update delete archive custom fields update balance became >=0 balance became <=0
	Accounts	create update delete
	Clients Packages	assign activate deactivate renew close
*Task*	Determine a type of handler and details: *script* - here you need to specify the path where a following script is located, for example: user/local/vcs/script.py. *http://* - here specify the port and method, for example: *120.0.0.1:5000/api.*
Status	Choose the state of the handler: enabled - select it to make a handler active; disabled - select it to unable a handler; *archived* - select it to archive a handler.
Priority	Establish an order of handler performing. Note: The handler with *1 priority* will precede all other handlers in order.

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Attention

In VCS 3.17.0, to prevent performance degradation and data inconsistency, affected by external side, Before event type has been removed from the section.

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Best practice example

Here there There is an example based on http://handler usage.

2. Open the Provisioning section and start to create creating a handler.

1. Specify the name, type, and status.
2. Inthe Event field, select Clients Create event from the drop-down list.
3. Inthe Task field, indicate http:// type and determine the port and method, for example: 120.0.0.1:5000/api.
4. Click Apply.

Find below an example of the http://handler below:

Code Block

language	py

from flask import Flask, request
import json
app = Flask(__name__)
@app.route("/api", methods=['GET', 'POST'])
def api():
    data = json.loads(request.data)
    return json.dumps(data)
if __name__ == "__main__":
    app.run()

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Attention

In order to To put handler into action, you need to restart Cache Manager. To do so, click on corresponding icon in Task Scheduler section

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Section overview