[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Google Cloud Dialogflow V2 Client - Class UpdateMode (2.1.2)\n\nVersion latestkeyboard_arrow_down\n\n- [2.1.2 (latest)](/php/docs/reference/cloud-dialogflow/latest/V2.Conversation.ContextReference.UpdateMode)\n- [2.1.1](/php/docs/reference/cloud-dialogflow/2.1.1/V2.Conversation.ContextReference.UpdateMode)\n- [2.0.1](/php/docs/reference/cloud-dialogflow/2.0.1/V2.Conversation.ContextReference.UpdateMode)\n- [1.17.2](/php/docs/reference/cloud-dialogflow/1.17.2/V2.Conversation.ContextReference.UpdateMode)\n- [1.16.0](/php/docs/reference/cloud-dialogflow/1.16.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.15.1](/php/docs/reference/cloud-dialogflow/1.15.1/V2.Conversation.ContextReference.UpdateMode)\n- [1.14.0](/php/docs/reference/cloud-dialogflow/1.14.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.13.0](/php/docs/reference/cloud-dialogflow/1.13.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.12.3](/php/docs/reference/cloud-dialogflow/1.12.3/V2.Conversation.ContextReference.UpdateMode)\n- [1.11.0](/php/docs/reference/cloud-dialogflow/1.11.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.10.2](/php/docs/reference/cloud-dialogflow/1.10.2/V2.Conversation.ContextReference.UpdateMode)\n- [1.9.0](/php/docs/reference/cloud-dialogflow/1.9.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.8.0](/php/docs/reference/cloud-dialogflow/1.8.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.7.2](/php/docs/reference/cloud-dialogflow/1.7.2/V2.Conversation.ContextReference.UpdateMode)\n- [1.6.0](/php/docs/reference/cloud-dialogflow/1.6.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.5.0](/php/docs/reference/cloud-dialogflow/1.5.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.4.0](/php/docs/reference/cloud-dialogflow/1.4.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.3.2](/php/docs/reference/cloud-dialogflow/1.3.2/V2.Conversation.ContextReference.UpdateMode)\n- [1.2.0](/php/docs/reference/cloud-dialogflow/1.2.0/V2.Conversation.ContextReference.UpdateMode)\n- [1.1.1](/php/docs/reference/cloud-dialogflow/1.1.1/V2.Conversation.ContextReference.UpdateMode)\n- [1.0.1](/php/docs/reference/cloud-dialogflow/1.0.1/V2.Conversation.ContextReference.UpdateMode) \nReference documentation and code samples for the Google Cloud Dialogflow V2 Client class UpdateMode.\n\nRepresents the mode in which context reference contents are updated.\n\nProtobuf type `google.cloud.dialogflow.v2.Conversation.ContextReference.UpdateMode`\n\nNamespace\n---------\n\nGoogle \\\\ Cloud \\\\ Dialogflow \\\\ V2 \\\\ Conversation \\\\ ContextReference\n\nMethods\n-------\n\n### static::name\n\n### static::value\n\nConstants\n---------\n\n### UPDATE_MODE_UNSPECIFIED\n\n Value: 0\n\nUnspecified update mode.\n\nGenerated from protobuf enum `UPDATE_MODE_UNSPECIFIED = 0;`\n\n### APPEND\n\n Value: 1\n\nContext content updates are applied in append mode.\n\nGenerated from protobuf enum `APPEND = 1;`\n\n### OVERWRITE\n\n Value: 2\n\nContext content updates are applied in overwrite mode.\n\nGenerated from protobuf enum `OVERWRITE = 2;`"]]