# Process Runtime API

Process runtime จะให้ API ที่โต้ตอบกับ process flow สำหรับคำสั่งมาตรฐานที่จะถูกใช้ในการดำเนินการกระบวนการ ในบทนี้จะสอนเกี่ยวกับ API ทั้งหมดด้วยตัวอย่างที่เข้าใจไม่ยาก ซึ่งจะสอนคุณในการเรียก service และตัวแปรเพื่อควบคุม flow เพื่อที่จะโต้ตอบกับ Process runtime ผู้ใช้งานจำเป็นต้องตั้งค่าเครื่องมือ Client และออกแบบ Process flow

<table data-header-hidden><thead><tr><th width="326.3333333333333"></th><th width="266"></th><th></th></tr></thead><tbody><tr><td>Request </td><td>Description </td><td>HTTP Method </td></tr><tr><td>1. /BPMREST/service/runtime/process/start </td><td>To start the flow. </td><td>POST </td></tr><tr><td>2. /BPMREST/service/runtime/process/[Process Name]/start </td><td>Old API to start flow. It is not recommended. </td><td>POST </td></tr><tr><td>3. /BPMREST/service/runtime/tasks/[Task ID]/claim?user=[User Name] </td><td>To claim a task by user. </td><td>POST </td></tr><tr><td>4. /BPMREST/service/runtime/tasks/[Task ID]/complete?user=[User Name] </td><td>To complete a process by user. </td><td>POST </td></tr><tr><td>5. /BPMREST/service/runtime/instance/[Instance ID]/tasks </td><td>To get task by instance ID. </td><td>GET </td></tr><tr><td>6. /BPMREST/service/runtime/tasks?[group/role/user]=[User Name/Role Name/Group Name] </td><td>To get task by user or role or group name </td><td>GET </td></tr><tr><td>7. /BPMREST/service/runtime/tasks/[Task ID]/variables </td><td>To get Task variables </td><td>POST </td></tr><tr><td>8. /BPMREST/service/runtime/tasks/[Task ID]/assign?user=[User Name]&#x26;user=[User Name1]..&#x26;user=[User Name n] </td><td>To assign task to user/ users </td><td>POST </td></tr><tr><td>9. /BPMREST/service/runtime/instance/[Instance ID]/tasks/assign?user=[User Name] </td><td>To assign instance to user </td><td>POST </td></tr><tr><td>10. /BPMREST/service/runtime/refreshCache </td><td>To refresh cache for all process </td><td>POST </td></tr><tr><td>11. /BPMREST/service/runtime/classAction </td><td>To refresh cache for a specific process  </td><td>POST </td></tr></tbody></table>


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