A.2 Language used by the ingestion (workflow implementation)

__WORKFLOW__ json object:
    {
        // any variable defined here can be used (${VarName1}) in any task
        // optional                                                                                             
	"variables":
        [
            {  
	        "varName1": "value 1",
	        "description": "description 1"
            },
            {  
	        "varName2": "value 2",
	        "description": "description 2"
            },
	    ...
	],

        // optional                                                                                                                                                                                                                    
        "label": "name of the Workflow",                                                                                             

        // optional                                                                                                                                                                                                                    
        "description": "description of the Process/ingestion",                                                                                             

        // optional, default is Workflow
        "type": "Workflow",
   
        "task": __TASK__
    }

__TASK__ json object:
    {                                                                                                 
        "label": "name of the task",    
             
        // One of the types defined by CatraMMS, i.e.: Add-Content, Encode,
        // Concat-Demux, Cut, EMail-Notification, ...
        "type": "...",

        // The parameters depend on the Type of Task
        "parameters": 
        {
            .....                                                                             
        },                                                                                                    
        "onSuccess": 
        {
            // this task, by default, receives as input, the output of the parent task 
            "task": __TASK__
        },
        "onError": 
        {
            // this task, by default, receives as input, the output of the parent task 
            "task": __TASK__
        },
        "onComplete": 
        {
            // this task, by default, receives as input, the output of the parent task 
            "task": __TASK__
        }                                                                                                   
    }                                                                                                         

// A special 'Type' of a Task is "GroupOfTasks", in this case Task will be:
"task": 
{
    "type": "GroupOfTasks",
    "parameters": 
    {
        // parallel or sequential
        "executionType": "parallel",

        "tasks": 
        [
            __TASK__,
            __TASK__
            ...
        ],                                                                                                         
        "onSuccess": 
        {
            // this task, by default, receives as input, the output of all the tasks defined by the above 'tasks' json field 
            "task": __TASK__
        },                                                                                                   
        "onError": 
        {
            // this task, by default, receives as input, the output of all the tasks defined by the above 'tasks' json field 
            "task": __TASK__
        },                                                                                                   
        "onComplete": 
        {
            // this task, by default, receives as input, the output of all the tasks defined by the above 'tasks' json field
            "task": __TASK__
        }                                                                                                   
    }
}