diff --git a/gen/xyz/openbmc_project/Telemetry/Trigger/meson.build b/gen/xyz/openbmc_project/Telemetry/Trigger/meson.build
new file mode 100644
index 0000000..3287eaa
--- /dev/null
+++ b/gen/xyz/openbmc_project/Telemetry/Trigger/meson.build
@@ -0,0 +1,14 @@
+# Generated file; do not modify.
+generated_sources += custom_target(
+    'xyz/openbmc_project/Telemetry/Trigger__cpp'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Telemetry/Trigger.interface.yaml',  ],
+    output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'cpp',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Telemetry/Trigger',
+    ],
+)
+
diff --git a/gen/xyz/openbmc_project/Telemetry/TriggerManager/meson.build b/gen/xyz/openbmc_project/Telemetry/TriggerManager/meson.build
new file mode 100644
index 0000000..478be8d
--- /dev/null
+++ b/gen/xyz/openbmc_project/Telemetry/TriggerManager/meson.build
@@ -0,0 +1,14 @@
+# Generated file; do not modify.
+generated_sources += custom_target(
+    'xyz/openbmc_project/Telemetry/TriggerManager__cpp'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Telemetry/TriggerManager.interface.yaml',  ],
+    output: [ 'server.cpp', 'server.hpp', 'client.hpp',  ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'cpp',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Telemetry/TriggerManager',
+    ],
+)
+
diff --git a/gen/xyz/openbmc_project/Telemetry/meson.build b/gen/xyz/openbmc_project/Telemetry/meson.build
index 53ae45c..e35dc26 100644
--- a/gen/xyz/openbmc_project/Telemetry/meson.build
+++ b/gen/xyz/openbmc_project/Telemetry/meson.build
@@ -29,3 +29,33 @@
     build_by_default: true,
 )
 
+subdir('Trigger')
+generated_others += custom_target(
+    'xyz/openbmc_project/Telemetry/Trigger__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Telemetry/Trigger.interface.yaml',  ],
+    output: [ 'Trigger.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Telemetry/Trigger',
+    ],
+    build_by_default: true,
+)
+
+subdir('TriggerManager')
+generated_others += custom_target(
+    'xyz/openbmc_project/Telemetry/TriggerManager__markdown'.underscorify(),
+    input: [ meson.source_root() / 'xyz/openbmc_project/Telemetry/TriggerManager.interface.yaml',  ],
+    output: [ 'TriggerManager.md' ],
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.source_root(),
+        'xyz/openbmc_project/Telemetry/TriggerManager',
+    ],
+    build_by_default: true,
+)
+
diff --git a/xyz/openbmc_project/Telemetry/Trigger.interface.yaml b/xyz/openbmc_project/Telemetry/Trigger.interface.yaml
new file mode 100644
index 0000000..268c53e
--- /dev/null
+++ b/xyz/openbmc_project/Telemetry/Trigger.interface.yaml
@@ -0,0 +1,96 @@
+description: >
+    Implement this interface to provide trigger inspection features. An
+    implementation service should additionaly implement
+    xyz.openbmc_project.Object.Delete for deletion of individual trigger.
+
+properties:
+  - name: Discrete
+    type: boolean
+    description: >
+        If true than trigger uses discrete thresholds as threshold conditions.
+        Otherwise numeric thresholds is used.
+    flags:
+    - const
+  - name: LogToJournal
+    type: boolean
+    description: >
+        Defines if trigger logs to system journal when threshold conditions are
+        met. LogToJournal is a trigger action.
+    flags:
+    - const
+  - name: LogToRedfish
+    type: boolean
+    description: >
+        Defines if trigger logs Redfish message when threshold conditions are
+        met. LogToRedfish is a trigger action.
+    flags:
+    - const
+  - name: UpdateReport
+    type: boolean
+    description: >
+        Defines if trigger updates report when threshold conditions are
+        met. Reports that will be updated are specified in ReportNames property.
+        UpdateReport is a trigger action.
+    flags:
+    - const
+  - name: Persistent
+    type: boolean
+    description: Defines if Trigger is stored in non volatile memory.
+  - name: ReportNames
+    type: array[string]
+    description: >
+        Collection of report names that are updated when threshold conditions
+        are met. List is ignored if UpdateReport property is false.
+  - name: Sensors
+    type: array[struct[object_path, string]]
+    description: >
+        Array of sensors that is monitored within trigger. First parameter of a
+        structure is a sensor path. Second parameter is a metadata that is used
+        to store user data about sensor.
+  - name: Thresholds
+    type: variant[array[struct[enum[self.Type],enum[self.Direction],uint64,double]],array[struct[string,enum[self.Severity],uint64,double]]]
+    description: >
+        First type in variant is a collection of numeric thresholds that has
+        following fields - type, direction, dwell time and threshold value.
+        Second type holds by variant is a collection of discrete thresholds that
+        contains following fields - user id, severity, dwell time and threshold
+        value. Numeric threshold array is limited by Type enumeration, only 4
+        elements are allowed. Discrete threshold array size is not limited. If
+        Discrete threshold array is empty than every value change is taken into
+        account of threshold condition. Dwell time specify for how long
+        condition has to persist to trigger an action.
+
+enumerations:
+  - name: Type
+    description: >
+        Defines a context of a message that is logged when numeric threshold
+        condition is met.
+    values:
+      - name: LowerCritical
+      - name: LowerWarning
+      - name: UpperWarning
+      - name: UpperCritical
+  - name: Direction
+    description: >
+        Defines in which direction threshold value is crossed to fulfill numeric
+        threshold condition.
+    values:
+      - name: Either
+        description: >
+            Crossing threshold value fulfill numeric threshold condition.
+      - name: Decreasing
+        description: >
+            If threshold value is crossed and previous sensor value was greater
+            then threshold value then numeric threshold condition is met.
+      - name: Increasing
+        description: >
+            If threshold value is crossed and previous sensor value was less
+            then threshold value then numeric threshold condition is met.
+  - name: Severity
+    description: >
+        Defines a context of a message that is logged when discrete threshold
+        condition is met.
+    values:
+      - name: OK
+      - name: Warning
+      - name: Critical
diff --git a/xyz/openbmc_project/Telemetry/TriggerManager.interface.yaml b/xyz/openbmc_project/Telemetry/TriggerManager.interface.yaml
new file mode 100644
index 0000000..e6b1e7e
--- /dev/null
+++ b/xyz/openbmc_project/Telemetry/TriggerManager.interface.yaml
@@ -0,0 +1,59 @@
+description: >
+    Implement to provide triggers management.
+
+methods:
+  - name: AddTrigger
+    description:
+        Create new object that represent Trigger with
+        xyz.openbmc_project.Telemetry.Trigger interface stored in path
+        /xyz/openbmc_project/Telemetry/Triggers/{Domain}/{Name} where
+        Domain and Name are parameters of this method.
+    parameters:
+      - name: name
+        type: string
+        description: >
+            Defines the name of report to be exposed over D-Bus. Service allows
+            to use separator '/' in name to group reports in directory.
+      - name: discrete
+        type: boolean
+        description: >
+            Defines if thresholds parameter contains discrete thresholds.
+            Otherwise thresholds contain numeric thresholds.
+      - name: logToJournal
+        type: boolean
+        description: >
+            Defines if trigger logs to system journal when threshold conditions
+            are met.
+      - name: logToRedfish
+        type: boolean
+        description: >
+            Defines if trigger logs Redfish message when threshold conditions
+            are met.
+      - name: updateReport
+        type: boolean
+        description: >
+            Defines if trigger updates reports that are specified in reportNames
+            parameter when threshold conditions are met.
+      - name: sensors
+        type: array[struct[object_path,string]]
+        description: >
+            Array of sensors that is monitored within trigger. Object path
+            points to a sensor in DBus envrionment. String is used as user
+            metadata.
+      - name: reportNames
+        type: array[string]
+        description: >
+            Collection of report names that are updated when threshold
+            conditions are met. This parameter is ignored if updateReport
+            parameter is set to false.
+      - name: thresholds
+        type: variant[array[struct[enum[xyz.openbmc_project.Telemetry.Trigger.Type],enum[xyz.openbmc_project.Telemetry.Trigger.Direction],uint64,double]],array[struct[string,enum[xyz.openbmc_project.Telemetry.Trigger.Severity],uint64,double]]]
+        description: >
+            Contains array of numeric or discrete thresholds that are described
+            in xyz.openbmc_project.Telemetry.Trigger interface.
+    returns:
+      - name: triggerPath
+        type: object_path
+        description: >
+            Path to new trigger ->
+            /xyz/openbmc_project/Telemetry/Triggers/{name}.