Where to find OData supported query operators in --filter parameter

Hi,

In several Azure CLI commands, you can use a `--filter` parameter to use OData syntax to filter your query.
It's seems that all OData operators aren't supported.

You can do:
`az ad app list --filter "displayName eq 'myAppRegistrationDisplayNameHere'"`

Or:
`az ad app list --filter "startswith(displayName,'myAppRegistration')"`

But you can't use endswith;
`az ad app list --filter "endswith(displayName,'appRegistrationEnd')"`
You get an error: `Unsupported Query`

I didn't find any documentation listing this information.
Is there a documentation somewhere that list all supported OData operators when using Azure CLI `--filter` parameter ?

Thank you

PS: Using Azure CLI 2.8.0

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* ID: 921aa920-c25f-5227-aabb-49116da38fa7
* Version Independent ID: 9b5a53ad-edf8-4d89-f8e6-cde01b7866f6
* Content: [az ad app](https://docs.microsoft.com/en-us/cli/azure/ad/app?view=azure-cli-latest#az-ad-app-list)
* Content Source: [src/azure-cli/azure/cli/command_modules/role/_help.py](https://github.com/Azure/azure-cli/blob/dev/src/azure-cli/azure/cli/command_modules/role/_help.py)
* Service: **active-directory**
* GitHub Login: @rloutlaw
* Microsoft Alias: **routlaw**