There is a command group 'az_eventgrid_partner_namespace_event channel'. This group of commands could 'manage partner event channels'. The group of commands has global parameter '--debug' which means 'Increase logging verbosity to show all debug logs.'. The group of commands has global parameter '--help -h' which means 'Show this help message and exit.'. The group of commands has global parameter '--only-show-errors' which means 'Only show errors, suppressing warnings.'. The group of commands has global parameter '--output -o' which means 'Output format.'. The group of commands has global parameter '--query' which means 'JMESPath query string. See <a href="http://jmespath.org/">http://jmespath.org/</a> for more information and examples.'. The group of commands has global parameter '--subscription' which means 'Name or ID of subscription. You can configure the default subscription using `az account set -s NAME_OR_ID`.'. The group of commands has global parameter '--verbose' which means 'Increase logging verbosity. Use --debug for full debug logs.'. This group contains a child command 'az_eventgrid_partner_namespace_event channel_create'.The syntax is: az eventgrid partner namespace event-channel create --desination-topic-name
                                                    --destination-resource-group
                                                    --destination-subscription-id
                                                    --name
                                                    --partner-namespace-name
                                                    --resource-group
                                                    --source
                                                    [--activation-expiration-date]
                                                    [--partner-topic-description]
                                                    [--publisher-filter]. The 1th example of the child command would be to use it to 'create a specific event channel', the syntax is: az eventgrid partner namespace event-channel create -g rg1 --partner-namespace-name partnernamespace1 -n eventChannelName1 --source SourceExample1 --destination-subscription-id 61f7c265-374d-499e-866d-5f4cc302b888 --destination-resource-group rg2 --desination-topic-name topicName1. The 2th example of the child command would be to use it to 'create a specific event channel with an activation expiration time and partner topic friendly description', the syntax is: az eventgrid partner namespace event-channel create -g rg1 --partner-namespace-name partnernamespace1 -n eventChannelName1 --source SourceExample1 --destination-subscription-id 61f7c265-374d-499e-866d-5f4cc302b888 --destination-resource-group rg2 --desination-topic-name topicName1 --activation-expiration-date '2020-05-20T10:00' --partner-topic-description 'This topic is created by Costoco corp on user behavior.'. The 3th example of the child command would be to use it to 'create a specific event channel with publisher filters', the syntax is: az eventgrid partner namespace event-channel create -g rg1 --partner-namespace-name partnernamespace1 -n eventChannelName1 --source SourceExample1 --destination-subscription-id 61f7c265-374d-499e-866d-5f4cc302b888 --destination-resource-group rg2 --desination-topic-name topicName1 --publisher-filter data.key1 NumberIn 2 3 4 100 200 --publisher-filter data.key2 StringIn 2 3 4 100 200. The parameter '--desination-topic-name' is required. It is used to name of the partner topic associated with the event channel.. The parameter '--destination-resource-group' is required. It is used to azure resource group of the customer creating the event channel. the partner topic associated with the event channel will be created under this resource group.. The parameter '--destination-subscription-id' is required. It is used to azure subscription id of the customer creating the event channel. the partner topic associated with the event channel will be created under this azure subscription.. The parameter '--name -n' is required. It is used to name of the event channel.. The parameter '--partner-namespace-name' is required. It is used to name of the partner namespace.. The parameter '--resource-group -g' is required. It is used to name of resource group. you can configure the default group using `az configure --defaults group=<name>`.. The parameter '--source' is required. It is used to the identifier of the resource that forms the partner source of the events. this represents a unique resource in the partner's resource model.. The parameter '--activation-expiration-date' is optional. date or datetime in utc iso 8601 format (e.g., '2022-02-17t01:59:59+00:00' or '2022-02-17') after which the event channel and corresponding partner topic would expire and get auto deleted. if this time is not specified, the expiration date is set to seven days by default.. The parameter '--partner-topic-description' is optional. friendly description of the corresponding partner topic. this will be helpful to remove any ambiguity of the origin of creation of the partner topic for the customer.. The parameter '--publisher-filter' is optional. a publisher filter that is used to enable filtering of events based on a specific event property. this set of filters that are specified by the publisher in order to determine which events to be received by the subscriber.. 