Domain scripting language framework for service and system integration

A computer-implemented method of updating an enterprise application comprising:

• deploying, by a computer, a runtime engine of the enterprise application;
• storing, by a computer, a script and a tag library, wherein the script defines a workflow of the enterprise application when loaded by the runtime engine, and the tag library comprises tags that define commands executed by the script to call and control granular services;
• executing, by a computer, the script using the runtime engine to perform a first workflow;
• changing, by a computer, the script;
• uploading, by a computer, the changed script to the database;
• and
• executing, by a computer, the changed script using the runtime engine to perform a second workflow that is different than the first workflow.

A computer program product for executing an enterprise application comprising a non-transient computer readable medium having a computer readable program, wherein the computer readable program includes a runtime engine that when executed on a processor causes a computer to:

• receive an external request for a service provided by the enterprise application;
• select a script from a plurality of scripts saved on a database based on the external request;
• reference one or more tags stored in a tag library saved on the database that are called by the script, wherein the tags in the tag library define commands of the plurality of scripts and call one or more granular services of the enterprise application;
• load the selected script and the tags referenced by the selected script;
• and
• execute instructions of the script to provide the service requested by the external request.