Introduction
HATS web service support can be used to create Service-Oriented Architecture (SOA) assets, that provide a standard programming interface to business logic and transactions that are controlled within Mainframe applications. These core business tasks can be reused as standard Web services that are an integral part of a business process integration plan.
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A Host on-Demand macro is an XML script that allows clients to interact automatically with a host application running on a terminal emulator session (a 3270 Display session, a 5250 Display session, a VT Display session, or a CICS Gateway session). Macros are usually written to perform a specific task or set of tasks involving a single host application.

HACP Extended Edition (HACP EE) v1.4 is now available with additional features of color remap, status bar, and download as image which will enhance the user experience with emulator screen. Below is a quick list of all the new features.
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Client Authentication is a process that helps users to securely access a remote host/server by exchanging a digital certificate. TLS (Transport Layer Security) Client Authentication (also referred to as Mutual Authentication or Mutual SSL) is one of the most commonly used Client Authentication mechanisms.
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HACP Extended Edition v1.3 was made generally available in May 2018 with additional features of selectable font, print screen, and support for mapped keys which will enhance the user experience with emulator screen. There is also a new Settings panel that allows to configure all the user preferences under one roof.

Introduction
Host Access Toolkit is a comprehensive set of application programming interfaces (APIs) for programmers to develop custom applications that run with HOD.
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In continuation with my previous blogs about Automation using PCSAPI and Automation using EHLLAPI API’s, this blog provides a brief about the strongest set of PCOMM API’s, the HACL (Host Access Class Library) API.

​Host Access Class Library (HACL) is a set of objects that allows application programmers to access host applications easily and quickly. IBM Personal Communications supports different HACL Layers:

Introduction
​IBM Personal Communications provides an emulator interface to communicate with IBM Mainframe/AS400/VT sessions. This is used for reading & updating host data and interfacing host with other applications. Performing manual tasks on emulator screen increases in transaction and becomes repetitive, this over a long term would have issues:
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