Invoke Configuration Page

Specify the topic and other details for publishing messages to a GCP Pub Sub topic.

Element	Description
Select topic	Select the topic on which to perform the operation. You can also enter the beginning letters of the topic to filter the display of topics. A topic is a category in which applications can add, process, and reprocess messages. You can publish messages to a GCP topic. Note: The GCP Pub Sub Adapter displays 1000 topics at a time for selection on the Configuration page.
Schema type associated with topic	Displays the schema type associated with a topic. Note: Do not edit this value.
Message encoding	Displays the message encodings. Note: Do not edit these values.
Do you want to specify the message structure?	Click Yes to provide the JSON Sample, XML Sample, or AVRO Schema and publish the message in the selected format. Click No to publish the message in string, opaque, or opaque (stream reference) format.
Provide JSON Sample/ Provide XML Sample/ Provide AVRO schema (Displays if you select a topic without any schema associated.)	Enter sample to describe the structure of data.
AVRO Schema associated with Topic (Displays if you select a topic with the Avro schema.)	Displays the Avro schema associated with the topic. Note: Do not edit these values.
String	Publishes the messages in string format.
Opaque	If a file must be published, you must Base64-encode the reference. Use the XPath function `oraext:encodeReferenceToBase64($fileLocation as string)`.
Opaque (Stream Reference)	Publishes the files in any format through the specified topic.

Specify the topic and other details for pulling messages from the GCP Pub Sub topic.

Element	Description
Select topic	Select the topic on which to perform the operation. You can also enter the beginning letters of the topic to filter the display of topics. A topic is a category in which applications can add, process, and reprocess messages. You can publish messages to a GCP topic. Note: The GCP Pub Sub Adapter shows 1000 topics at a time for selection on the Configuration page.
Select dead letter topic	Select the topic for a dead letter. You can also enter the beginning letters of the topic to filter the display of topics. A topic is a category in which applications can add, process, and reprocess messages. You can publish messages to a GCP topic.
Subscription ID	Select the subscription ID existing under the selected topic name.
Schema type associated with topic	Displays the schema type associated with a topic. Note: Do not edit this value.
Message encoding	Displays the message encodings. Note: Do not edit these values.
Do you want to specify the message structure?	Click Yes to provide the JSON Sample, XML Sample, or AVRO Schema and pull the message in the selected format. Click No to pull the message in string, opaque, or opaque (stream reference) format.
Provide JSON Sample/ Provide XML Sample/ Provide AVRO schema (Displays if you select a topic without any schema associated.)	Enter sample to describe the structure of data. Note: A null value and an empty array are not permitted in the JSON sample. Ensure that the data being sampled is a string, number, object, or boolean. If the message contains null, it is processed at runtime. Duplicate elements or objects are not reflected while mapping (elements are overridden, and the last one is available in the mapper). If you publish the duplicate elements, only the last element’s value is processed.
AVRO Schema associated with Topic (Displays if you select a topic with the Avro schema.)	Displays the Avro schema associated with the topic. Note: Do not edit these values.
Maximum messages/ request	Select the number of messages per request in the range of 1 – 100. Note: The GCP Pub Sub system may return fewer than the number of messages specified.
String	Pulls the messages in string format.
Opaque	If a file must be pulled/received through subscription, you must decode the Base64-encoded data as a Base64 decode reference (`oraext:decodeBase64ToReference($inputString as string)`).
Opaque (Stream Reference)	Pulls the files in any format through the specified topic.

Specify the topic and other details for acknowledging the pulled messages from the GCP Pub Sub topic.

Element

Description

Select topic

Select the topic on which to perform the operation. You can also enter the beginning letters of the topic to filter the display of topics. A topic is a category in which applications can add, process, and reprocess messages. You can publish messages to a GCP topic.

Note: The GCP Pub Sub Adapter displays 1000 topics at a time for selection on the Configuration page.

Subscription Id

Select the Subscription ID existing under the selected topic name.

Note:

Select the same topic and subscription ID used for pull messages.