patch API call for updation

hello Everyone, i am facing issue while using patch API call activity on my native mobile app for updating records in the entities of web . our project is having two profiles responsive web and native app  .i am able to use get all and get by id call on native app but facing issue in Patch call .if anyone knows how to use this functionality please answer . i am getting this error in console  of studio- An error has occurred while handling the request. [User 'Anonymous_edd0da25-b547-4ac6-a023-c94bb7a53fe1' with session id '9078a5cc-XXXX-XXXX-XXXX-XXXXXXXX34c5' and roles 'Administrator']     com.mendix.webui.WebUIException: Exception while executing runtime operation     at com.mendix.webui.actions.client.RuntimeOperationAction.$anonfun$apply$1(RuntimeOperationAction.scala:60) Caused by: com.mendix.modules.microflowengine.MicroflowException: Error calling REST service     at NativeMobile.Microflow_2 (CallRest : 'Call REST (PATCH)') Advanced stacktrace:     at com.mendix.integration.actions.microflow.RestCallAction.execute(RestCallAction.scala:79) Caused by: com.mendix.modules.microflowengine.MicroflowException: 400: Bad Request     at NativeMobile.Microflow_2 (CallRest : 'Call REST (PATCH)') Advanced stacktrace:     at com.mendix.integration.actions.microflow.RestCallAction.checkStatusCode(RestCallAction.scala:117)  
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