AutoGeneration

link - docs.microsoft.com/en-us/office/dev/add-ins/excel/custom-functions-json-autogeneration

/ ** 
* adds up two numbers 
* @customfunction 
* @param {number} first my description 
* @param {number} second my description 
* @result {number} returns the total 
**/ 

@cancelable

@customfunction id name

@helpurl url

@param {type} name description

@requiresAddress

@returns {type}

@streaming

@volatile