topic Re: Business key to uniquely access process instance in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/business-key-to-uniquely-access-process-instance/m-p/24570#M10696 <HTML><HEAD></HEAD><BODY><P>You are missing the point of the business key.</P><P>It is a generic metadata element that is NOT guaranteed to be unique per instance.</P><P>Meaning, it means what you want it to mean in your solution.</P><P>Therefore, there are no API's available to act on individual instances by business key.</P><P></P><P>That said, you can achieve all of what you need, but not with a single API call.</P><P>Your options:</P><P>1. Use standard query API's (for instances or tasks) which accept business key as an argument.</P><P>then....</P><P>2. Use the returned results to do what you choose (suspend, activate etc).</P><P></P><P>OR....</P><P></P><P>Extend the API to create custom calls that "assume" business key is unique.</P><P></P><P>G</P><P><A href="https://migration33.stage.lithium.com/t5/tag/bp3/tg-p"></A>‌</P></BODY></HTML> Fri, 05 May 2017 12:10:57 GMT gdharley 2017-05-05T12:10:57Z Business key to uniquely access process instance https://connect.hyland.com/t5/alfresco-forum/business-key-to-uniquely-access-process-instance/m-p/24569#M10695 Hi Team,I am using Activiti-REST API's (5.22.0).I have created a process definition and deployed successfully.I want to start a new instance every time when the request comes. While starting the instance i also want to uniquely name the instance, which can be done using business key.The instance get Fri, 05 May 2017 10:15:44 GMT https://connect.hyland.com/t5/alfresco-forum/business-key-to-uniquely-access-process-instance/m-p/24569#M10695 sonalik 2017-05-05T10:15:44Z Re: Business key to uniquely access process instance https://connect.hyland.com/t5/alfresco-forum/business-key-to-uniquely-access-process-instance/m-p/24570#M10696 <HTML><HEAD></HEAD><BODY><P>You are missing the point of the business key.</P><P>It is a generic metadata element that is NOT guaranteed to be unique per instance.</P><P>Meaning, it means what you want it to mean in your solution.</P><P>Therefore, there are no API's available to act on individual instances by business key.</P><P></P><P>That said, you can achieve all of what you need, but not with a single API call.</P><P>Your options:</P><P>1. Use standard query API's (for instances or tasks) which accept business key as an argument.</P><P>then....</P><P>2. Use the returned results to do what you choose (suspend, activate etc).</P><P></P><P>OR....</P><P></P><P>Extend the API to create custom calls that "assume" business key is unique.</P><P></P><P>G</P><P><A href="https://migration33.stage.lithium.com/t5/tag/bp3/tg-p"></A>‌</P></BODY></HTML> Fri, 05 May 2017 12:10:57 GMT https://connect.hyland.com/t5/alfresco-forum/business-key-to-uniquely-access-process-instance/m-p/24570#M10696 gdharley 2017-05-05T12:10:57Z