https://community.appian.com/discussions/f/general/10974/process-model-exposed-as-web-serviceHi All, In our application, we exposed a process model as a web service and some inputs are passed as a parameter to the web service. We need to pass all required inputs to the web service but encountered an issue only in lower environments that fewen-USTelligent Community 12https://community.appian.com/thread/48099?ContentTypeID=1Wed, 30 Aug 2017 06:28:02 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:33ee0dff-4545-4b71-9f0a-b0243642992eashmanThank You Jacob!! Another way to solve this issue is to invoke the web service via smart service for first time.<div style="clear:both;"></div>https://community.appian.com/thread/47988?ContentTypeID=1Mon, 28 Aug 2017 13:38:57 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:6ad1c89c-b17a-40a6-a748-08cabebe992cJacob GrafensteinHi Ashma. I&#39;ve experienced strange issues with process model input parameters in multiple different scenarios. What generally solves the problem for me is to delete the parameters and re-add them.<div style="clear:both;"></div>https://community.appian.com/thread/47983?ContentTypeID=1Mon, 28 Aug 2017 12:22:08 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:b1eac5b9-b9b6-44d9-9d9a-4f83984c4489ashmanThanks for your reply.<br /> <br /> Yeah.We marked all the inputs as parameter.<div style="clear:both;"></div>https://community.appian.com/thread/47982?ContentTypeID=1Mon, 28 Aug 2017 12:16:59 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:3ef5a6ce-193e-45c9-ac21-355ddb770452sanghapriyabHi Asma,<br /> <br /> Can you please check if the variables in the process model are marked as parameter? We faced a similar issue which was resolved when the variable was marked properly.<div style="clear:both;"></div>