How to pass data from one Process to another in code .I am using Spring Boot in Java code.
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If you use a call activity, then you don't need code to start the referenced process and to pass data. The engine will take care of it if you model the corresponding attributes.
Also see documentation here: https://docs.camunda.io/docs/components/modeler/bpmn/call-activities/

rob2universe
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i dont see `Propogate all variables` option. I am using 4.7 version of modeler and camunda 7 – Hello Jan 27 '23 at 05:07
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On 4.x it is on the Input/Output tab and called a littler differently (copy all data or so). Recommend you upgrade to 5.x modeler. Current version is 5.7 and you can download it here: https://camunda.com/download/modeler/. This also works with Camunda 7 – rob2universe Jan 27 '23 at 05:51
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Will modeler 5.x work with Camunda 7`.i cantuse camunda 8 – Hello Jan 27 '23 at 05:58
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Yes, you can select in the start screen which kind of model you want to create – rob2universe Jan 27 '23 at 06:01
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Thanks it working with 4.7 too.`Variable` tab and select `all`. – Hello Jan 27 '23 at 06:03
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1yes, sure. I would upgrade anyway. working with 5.x is much nicer – rob2universe Jan 27 '23 at 06:04