# \#entities

**URL:** https://community.dynatrace.com/tag/entities/316.md

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## [Entity Selector - Service to Service Relationship](https://community.dynatrace.com/t/entity-selector-service-to-service-relationship/54488)

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**Author:** [@Theodore\_x86](https://community.dynatrace.com/u/Theodore_x86)\
**Replies:** 8\
**Last updated:** [December 31, 2025, 8:18am UTC](https://community.dynatrace.com/t/entity-selector-service-to-service-relationship/54488 "2025-12-31T08:18:42Z")

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Hello. I am struggling to create a REQUEST COUNT metric for the Services targeting, all Services that run on specific hosts (filter by hostname, eg. contains(“something”)). BR

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## [Is there a way to get a list of all entity types in Grail (so something synonymous to the /entityTypes classic v2 API)?](https://community.dynatrace.com/t/is-there-a-way-to-get-a-list-of-all-entity-types-in-grail-so-something-synonymous-to-the-entitytypes-classic-v2-api/53499)

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**Author:** [@36Krazyfists](https://community.dynatrace.com/u/36Krazyfists)\
**Replies:** 5\
**Last updated:** [December 30, 2025, 10:48pm UTC](https://community.dynatrace.com/t/is-there-a-way-to-get-a-list-of-all-entity-types-in-grail-so-something-synonymous-to-the-entitytypes-classic-v2-api/53499 "2025-12-30T22:48:35Z")

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I know if I just start typing dt.entity. the auto-complete in the DQL query box will offer suggestions, but I want to be able to just get a list of all dt.entity.f5 types in a table. The result I want would look like: E…

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## [How can I correctly map out multi-level to/from entity relationships like Service Flow & SmartScape using entities V2 API?](https://community.dynatrace.com/t/how-can-i-correctly-map-out-multi-level-to-from-entity-relationships-like-service-flow-smartscape-using-entities-v2-api/52119)

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**Author:** [@Nick-Montana](https://community.dynatrace.com/u/Nick-Montana)\
**Replies:** 2\
**Last updated:** [December 14, 2025, 8:33pm UTC](https://community.dynatrace.com/t/how-can-i-correctly-map-out-multi-level-to-from-entity-relationships-like-service-flow-smartscape-using-entities-v2-api/52119 "2025-12-14T20:33:51Z")

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Hi, I work as a developer for a enterprise-level organization on the SRE team. My team builds a large/mature internal web application that our company developments teams use to track required resiliency tasks such as im…

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## [Limit of custom topology type entities](https://community.dynatrace.com/t/limit-of-custom-topology-type-entities/49396)

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**Author:** [@rastislav\_danis](https://community.dynatrace.com/u/rastislav_danis)\
**Replies:** 9\
**Last updated:** [January 17, 2025, 11:27am UTC](https://community.dynatrace.com/t/limit-of-custom-topology-type-entities/49396 "2025-01-17T11:27:10Z")

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Oracle DB extension collects data for Backup jobs and creates lot of entities of type Oracle DB Backup Job. Which is nice until you hit this error and backup jobs stops showing in oracle instance screens (and anywhere el…

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## [Maintenance Window, Filters: “Entity type” and “Entity” what are all the possible values?](https://community.dynatrace.com/t/maintenance-window-filters-entity-type-and-entity-what-are-all-the-possible-values/49740)

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**Author:** [@GerryIsHere](https://community.dynatrace.com/u/GerryIsHere)\
**Replies:** 1\
**Last updated:** [January 16, 2025, 5:36am UTC](https://community.dynatrace.com/t/maintenance-window-filters-entity-type-and-entity-what-are-all-the-possible-values/49740 "2025-01-16T05:36:56Z")

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When I look at these drop downs, it stops after 100 Amazon and/or Azure entries, but I have no idea what else might be there. Tried “weblogic”, “osb”, “oracle”, “camel”, “rapid”, “enrolment”,… nothing useful comes up. I …