Pass trigger name dynamically to child pipeline

Question

Pass trigger name dynamically to child pipeline

Kumar, Arun 336

Hello,

Is there a way to dynamically pass the trigger name from parent pipeline to child pipeline. I have a parent pipeline with three triggers - trigger1, trigger2, trigger3. Part of pipeline should execute only if its trigger 2. What i have done so far is created a parameter in child pipeline and hardcoded the trigger2 name, capture that in a variable inside the child pipeline and passed to if condition to check. If its trigger 2 name, execute the lookup and for each. Else do just Wait and exit.

Any option to dynamically capture trigger2 name and pass it to child pipeline?

Thanks in advance

Accepted answer

0 additional answers

Your answer

Answer 1

Subashri Vasudevan 11,226

HiI hope your doubt is to find out the trigger name which triggers the parent Pipeline and if it's trigger2, you will have to execute a set of logic. Pls correct if my understanding is wrong.

From the parent Pipeline you can use the below expression inside an if condition and compare with trigger2. In the true part, call child pipeline and in the false part, have a wait activity. This need not be done in child. If condition can be implemented in parent itself.

pipeline().TriggerName

Please try and let us know if that helps or you need clarification.

Thanks

Kumar, Arun 336 Reputation points

2023-10-30T20:43:12.42+00:00

@Subashri Vasudevan Thanks Suba. So if i create a parameter in parent pipeline with value as @parameter.TriggerName and pass that value in a parameter in child pipeline will that work. The @parameter.TriggerName will be captured automatically at the time of parent pipeline run?
Subashri Vasudevan 11,226 Reputation points

2023-10-31T01:41:18.6166667+00:00

Yes Arun.
Kumar, Arun 336 Reputation points

2023-10-31T20:28:04.7933333+00:00
@Subashri Vasudevan This is not working. I did like below in Parent pipeline

Then in the child pipeline i add this IF CONDITION

@equals(pipeline().parameters.TriggerName,'TRG_2H_PL_T')

even if the Parent Pipeline is triggered with trigger name TRG_WH_PL_T, the IF CONDITION is going to FALSE.

I added following Parameter in Child Pipeline to get the Parent Pipeline value
Subashri Vasudevan 11,226 Reputation points

2023-11-01T04:17:35.64+00:00
Hi, Please follow the screenshots and try.

In execute pipeline activity, use the expression @pipeline().TriggerName as shown below. Click on execute pipeline activity and point to child PL, where you will see the parameters in child. Click on the value part and type out the expression (including paranthesis, which you missed)

In the child pipeline, i have an if condition with below expression, which checks if the trigger name is parent_trigger. If so, it goes on wait in my case, if not, it fails in my case. My parameter name in child is parent_trigger.

@equals(pipeline().parameters.parent_trigger,'parent_trigger')

I have tested it with two triggers and works fine for me.

Please check and modify as per your use case and let us know.

Awaiting your response.
Kumar, Arun 336 Reputation points

2023-11-03T02:56:57.0733333+00:00

@Subashri Vasudevan Thanks for the detailed explanation. This scenario won't work in my case because my child PL is called by an event trigger with event type as parent pipeline completion. So what i did to fix is create a separate parent and child pipeline that just executes only the 2H load and retailed the original pipeline as is.

Share via

Pass trigger name dynamically to child pipeline

0 additional answers

Your answer