In Hybrid.Chat creating the Conversation Flow is achieved with the use of Index Blocks and Goto Blocks. Let's go over them in more detail.
This ID is the unique ID of a block group and it should increase sequentially as you add in more Index Blocks on to the Canvas.
The Goto Block is used to redirect the flow using the Index Block numbers as reference. The GOTO Blocks have a drop down that contains a list of all the Index Blocks currently being used in the Flow.
Creating Conversation Flow
Here is an example of implementing Conversation Flow using GOTO and Index Blocks.
Block 1, Block 2 and so on are block sequence ID, and Goto 2, Goto 3 are block connectors that connect the discreet blocks.