[SalesForce] How to get ids of records I created in visual flow

With Winter 18, Salesforce introduced a cool feature to grab the record count directly in the visual flow without the need to loop through it.

After a fast lookup,the record count can be easily fetched in a sobject collection variable and assigned to a number variable. Play around with the number variable directly. So finding out the number of open/closed/in progress opportunities gets more easy. Even you dont need to loop through the record set to get the count of records. You already have it before hand.

So for the above question, you can simply compare if the number variable is having null and decide what to do with it next.

In detail the design looks like this:

1. Perform a fast lookup with your required filters

2. Assign the record count to a sObject collections variable. (in screenshot: nofCases)

3. Use a Assignment step, to assign the variable to a number variable. (Point to note: the assignment variable should be of type number only to make use of equals count operator. In the screenshot, this is called testCount)

4. Voila! Now play around with the assigned variable :)

Figured this out! Below is the flow trigger equivalent of the trigger creating a list and passing to the method...I've not found this documented anywhere so hope this helps other.

In your flow first you need a SObject Variable (my example is{!LeadInputVar}) . The flow trigger will set the id of the record here. Then create a Collection (my example is {!LeadCollection}).

Now in the flow trigger check the "Set Flow Variables" box to true and assign {!this} to your Sobject Variable:

Now in your flow your first element should be an assignment, assigning the SObject Variable to the Collection:

Now loop through your collection:

This is how my bulkified flow now looks: