Urgent! MP: Flexsim Queries - Source

[Ruo hao]

Hey all,

I need some help about Flexsim source. Currently I am facing this problem for the source inter arrival time. I want to set the arrival time of the source with a random distribution daily. 

The scenario is that the source arrival time do not arrive at a fixed timing, sometime it arrive at 11am and etc(randomly). It also come in batches for around 5 to 7 which we plan to use random distribution too. I would like to know how to set a random distribution of arrival time each day with random distribution batches. 

I have try to set the inter-arrival time by using statistical distribution, however it cannot be set with batches. I have also try to use batch processing, however in the batch processing it only reflect the gap between each arrival. I have tried using the global timetable, however it is for fixed timing.

Please advise me and reply me asap.

Thank You

Ruo Hao