I’m trying to set server sessions but they keep showing null. any ideas?
You need to add a Repeat. Core Actions - Repeat. Then select your Expression getgroupid? Select the columns you want to output. Then Core Actions - Set Sessions, and select the variables you repeated in the output, give them a name and tick Output and save your Action.
Have you also defined the session variables in Globals? This is needed to actually create the session variable before assigning a value with set session.
I only ever user Globals/Session in a query with a session that has already been created. Have never used this to set a session..?
Ah that’s probably it! It’s only one record anyway.
But i also set a static test session and that came out null too. (yes i added under globals)
i’ll keep trying.
that’s my next question. Do i need to create global sessions before setting a session?
Yes, that is what I meant. If the session is not defined in goibals it won’t set
As I mentioned I only use the Globals area for filtering using sessions that already exist. Interested in how @Hyperbytes creates a session in this way?
Disregard my above question 
Use a Repeat as outlined above.
But i’m not using any db value
its a static test value.
Yes, you are correct Kattouf, no need for repeat in that last one. Everything seems correct, I suspect there is a server issue
EDIT * although I see the session is set a number and you are assigning a string *
i suspect that too. i will investigate. thanks
Am sure we set some static values using a Repeat but can't find the example... Please still try by setting a Repeat and setting your static value, maybe it will work?
Dave, i do what he has done all the time with no problems
Guys,
No repeat is needed when you set a static value in a session 
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I've not done this (in this way) so will leave the support in your capable hands sir.
Sorry, just remembered.
Output on a session value does not work, it never has
try assigning the the session to a variable then outputting the variable (yes, it is a hack but it works) like this
You will see the output of that is:
The session outputs null but the variable with its value assigned returns the real value
The session is being set, it just isn’t reported correctly
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Makes sense,
But i had earlier did a conditional where i compared sessions to a parameter and that kept failing because session was null.
anyway it’s clearly my server …
Regarding Variables, Does global mean i can use them in other actions? Do they go under $_server like we do for $_session?
yes, If you define a session under Globals, say $_SESSION.myvar in a server action then adding that same session name to another server action will make the value of that session available in that Server Action